Gaya APA

m.pd, P, A, M, L, M. (1987). Secret of Effective Leadership (Ed.1). memphis: leadership education and development, inc.

Gaya MLA

m.pd, Prof.dr.h., Abdul, Mudjid, Latief,, Mm,. "Secret of Effective Leadership". Ed.1 memphis: leadership education and development, inc, 1987. Text.