APA (7 वां संस्करण) प्रशस्ति पत्र

Coetzee, J. C., & Van der Walt, H. (1991). South African newspapers on microfilm (2nd ed., rev. and expanded.). State Library.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Coetzee, J. C., और Hester Van der Walt. South African Newspapers on Microfilm. 2nd ed., rev. and expanded. Pretoria: State Library, 1991.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Coetzee, J. C., और Hester Van der Walt. South African Newspapers on Microfilm. 2nd ed., rev. and expanded. State Library, 1991.