Aspera, R. I., & Francisco, R. (2004). Nature's Honey Bee Farm: A feasibility study on bee farming. College of Engineering.
Chicago-Zitierstil (17. Ausg.)Aspera, Romeo Isaiah, und Reynald Francisco. Nature's Honey Bee Farm: A Feasibility Study on Bee Farming. Diliman, Quezon City: College of Engineering, 2004.
MLA-Zitierstil (9. Ausg.)Aspera, Romeo Isaiah, und Reynald Francisco. Nature's Honey Bee Farm: A Feasibility Study on Bee Farming. College of Engineering, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.