APA (7 वां संस्करण) प्रशस्ति पत्र
Keyes, C. G., Jr. (2016). Guidelines for cloud seeding to augment precipitation (Third edition.). American Society of Civil Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Keyes, Conrad G., Jr. Guidelines for Cloud Seeding to Augment Precipitation. Third edition. Reston, Virginia: American Society of Civil Engineers, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Keyes, Conrad G., Jr. Guidelines for Cloud Seeding to Augment Precipitation. Third edition. American Society of Civil Engineers, 2016.
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