APA (7th ed.) Citation

Guasch, J. M. D., Mailas, A. V. V., & De Gracia, E. H. (2009). Purchasing, storage, and sanitation. Grandbooks Publishing.

Chicago Style (17th ed.) Citation

Guasch, Juan Martin D.R, Anna Victoria V. Mailas, and Erlinda H. De Gracia. Purchasing, Storage, and Sanitation. Pateros: Grandbooks Publishing, 2009.

MLA (9th ed.) Citation

Guasch, Juan Martin D.R, et al. Purchasing, Storage, and Sanitation. Grandbooks Publishing, 2009.