Lauster, P. (1993). Ujian personaliti. Badan Bookstore.
Chicago Style (17th ed.) CitationLauster, Peter. Ujian Personaliti. Johor Baharu: Badan Bookstore, 1993.
MLA (9th ed.) CitationLauster, Peter. Ujian Personaliti. Badan Bookstore, 1993.
Warning: These citations may not always be 100% accurate.