Menteri, M. J. P. (2011). Contoh Problem Tree. Putrajaya : UPE.
Chicago Style (17th ed.) CitationMenteri, Malaysia. Jabatan Perdana. Contoh Problem Tree. Putrajaya : UPE, 2011.
MLA (9th ed.) CitationMenteri, Malaysia. Jabatan Perdana. Contoh Problem Tree. Putrajaya : UPE, 2011.
Warning: These citations may not always be 100% accurate.
