APA (7 वां संस्करण) प्रशस्ति पत्र

Williams, H. R., & Meyers, C. J. (1957). Oil and gas terms: Annotated manual of legal engineering tax words and phrases. Banks.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Williams, Howard R., और Charles J. Meyers. Oil and Gas Terms: Annotated Manual of Legal Engineering Tax Words and Phrases. Albany: Banks, 1957.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Williams, Howard R., और Charles J. Meyers. Oil and Gas Terms: Annotated Manual of Legal Engineering Tax Words and Phrases. Banks, 1957.