APA (7 वां संस्करण) प्रशस्ति पत्र

D’abreu, E. (2023). Beetles of the Himalayas and how to collect, preserve and study them. Thacker, Spink and Co., Calcutta and Shimla.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

D’abreu, E.A. Beetles of the Himalayas and How to Collect, Preserve and Study Them. Thacker, Spink and Co., Calcutta and Shimla, 2023.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

D’abreu, E.A. Beetles of the Himalayas and How to Collect, Preserve and Study Them. Thacker, Spink and Co., Calcutta and Shimla, 2023.

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