APA (7. basım) Alıntı

Maramba, F. D., & Obias, E. D. (1978). Biogas and waste recycling: The Philippine experience. Maya Farms Division, Liberty Flour Mills.

Chicago Style (17. basım) Atıf

Maramba, Felix D., ve Enrico D. Obias. Biogas and Waste Recycling: The Philippine Experience. Metro Manila: Maya Farms Division, Liberty Flour Mills, 1978.

MLA (9th ed.) Atıf

Maramba, Felix D., ve Enrico D. Obias. Biogas and Waste Recycling: The Philippine Experience. Maya Farms Division, Liberty Flour Mills, 1978.