APA Format
Pitoyo Amrih; . (2008). The 7 habits of highly effective people versi / . Yogyakarta : Pinus Book Publisher
MLA Format
Pitoyo Amrih; . The 7 habits of highly effective people versi / . Yogyakarta : Pinus Book Publisher, 2008
Chicago Format
Pitoyo Amrih; . The 7 habits of highly effective people versi / . Yogyakarta : Pinus Book Publisher, 2008
Australian/Harvard Format
Pitoyo Amrih; . 2008. The 7 habits of highly effective people versi / . Pinus Book Publisher Yogyakarta