Guasch, J. M. D., Mailas, A. V. V., & De Gracia, E. H. (2009). Purchasing, storage, and sanitation. Grandbooks Publishing.
Chicago Style (17. basım) AtıfGuasch, Juan Martin D.R, Anna Victoria V. Mailas, ve Erlinda H. De Gracia. Purchasing, Storage, and Sanitation. Pateros: Grandbooks Publishing, 2009.
MLA (9th ed.) AtıfGuasch, Juan Martin D.R, et al. Purchasing, Storage, and Sanitation. Grandbooks Publishing, 2009.
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