Putti, J. M. (2010). Memahami produktivitas. Karisma Publishing.
Chicago Style (17th ed.) CitationPutti, Joseph M. Memahami Produktivitas. Karisma Publishing, 2010.
MLA (8th ed.) CitationPutti, Joseph M. Memahami Produktivitas. Karisma Publishing, 2010.
Warning: These citations may not always be 100% accurate.