APA (7 वां संस्करण) प्रशस्ति पत्र

Baker, R. H. (1959). Astronomy: A textbook for university and college students (7th ed.). Van Nostrand.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Baker, Robert Horace. Astronomy: A Textbook for University and College Students. 7th ed. Princeton, New Jersey: Van Nostrand, 1959.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Baker, Robert Horace. Astronomy: A Textbook for University and College Students. 7th ed. Van Nostrand, 1959.