Murphy, D. (1976). Sistem biaya standar (pelajaran berprogram). Kanisius.
Chicago Style (17th ed.) CitationMurphy, Derek. Sistem Biaya Standar (pelajaran Berprogram). Kanisius, 1976.
MLA (8th ed.) CitationMurphy, Derek. Sistem Biaya Standar (pelajaran Berprogram). Kanisius, 1976.
Warning: These citations may not always be 100% accurate.