<PORTER, M. E. Strategi bersaing. Erlangga.
Chicago Style (17th ed.) Citation<PORTER, Michael E.>. Strategi Bersaing. Erlangga.
MLA (8th ed.) Citation<PORTER, Michael E.>. Strategi Bersaing. Erlangga.
Warning: These citations may not always be 100% accurate.