APA

The institute of Electrical and Electrical and electronics Engineers I., .1484.12.3 : IEEE Standards for learning technology - extensible markup language (XML) schema definition language binding for learning object metadata. New York, USA: The institute of Electrical and Electrical and electronics Engineers,Ins.

Chicago

The institute of Electrical and Electrical and electronics Engineers Ins, .1484.12.3 : IEEE Standards for learning technology - extensible markup language (XML) schema definition language binding for learning object metadata. New York, USA: The institute of Electrical and Electrical and electronics Engineers,Ins.

Harvard

The institute of Electrical and Electrical and electronics Engineers I., .1484.12.3 : IEEE Standards for learning technology - extensible markup language (XML) schema definition language binding for learning object metadata. New York, USA: The institute of Electrical and Electrical and electronics Engineers,Ins.

MLA

The institute of Electrical and Electrical and electronics Engineers Ins, .New York, USA: The institute of Electrical and Electrical and electronics Engineers,Ins. .