APA (7 वां संस्करण) प्रशस्ति पत्र
Eckstein, R. M. (2001). Directory of building and equipment grants (6th ed.). Research Grant Guides.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Eckstein, Richard M. Directory of Building and Equipment Grants. 6th ed. Loxahatchee, Fla.: Research Grant Guides, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Eckstein, Richard M. Directory of Building and Equipment Grants. 6th ed. Research Grant Guides, 2001.
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