Gaya APA
Echols, J, M., Makarov, A. (2013).
Yii1.1 Application Development Cookbook (2nd Edition).
Strand, London:
Pfeiffer.
Gaya MLA
Echols, John, M.., Makarov, Alexander.
"Yii1.1 Application Development Cookbook".
2nd Edition
Strand, London:
Pfeiffer,
2013.
REF.