APA (7 वां संस्करण) प्रशस्ति पत्र

Francisco, c. H. Willingness to pay for the conservation of endangered species in four Asian countries. International Development Research Centre (IDRC) and EEPSEA.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Francisco, contributors Hermina. Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. International Development Research Centre (IDRC) and EEPSEA.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Francisco, contributors Hermina. Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. International Development Research Centre (IDRC) and EEPSEA.

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