APA (7 वां संस्करण) प्रशस्ति पत्र

Valderrama, J. H. (1982). An improvised electric device and suggested laboratory activities to teach the effects of electricity on certain physiological processes in selected seeds.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Valderrama, Josefina Husayan. An Improvised Electric Device and Suggested Laboratory Activities to Teach the Effects of Electricity on Certain Physiological Processes in Selected Seeds. 1982.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Valderrama, Josefina Husayan. An Improvised Electric Device and Suggested Laboratory Activities to Teach the Effects of Electricity on Certain Physiological Processes in Selected Seeds. 1982.

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