Galvez, E. R. (1997). Sourcebook on practical work for teacher trainors: High school biology (Expt'l ed.). SMEMDP, NISMED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGalvez, Elvira R. Sourcebook on Practical Work for Teacher Trainors: High School Biology. Expt'l ed. Diliman, Quezon City: SMEMDP, NISMED, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGalvez, Elvira R. Sourcebook on Practical Work for Teacher Trainors: High School Biology. Expt'l ed. SMEMDP, NISMED, 1997.
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