Salundik, Sri Wahyuni, Suhut Simamora, & Surajudin. (2010). Penghasilan bio gas daripada kotoran ternak. SynergyMedia.
Chicago Style (17th ed.) CitationSalundik, Sri Wahyuni, Suhut Simamora, and Surajudin. Penghasilan Bio Gas Daripada Kotoran Ternak. Kuala Lumpur: SynergyMedia, 2010.
MLA (9th ed.) CitationSalundik, et al. Penghasilan Bio Gas Daripada Kotoran Ternak. SynergyMedia, 2010.
Warning: These citations may not always be 100% accurate.