Παραπομπή σε μορφή APA (7η εκδ.)

Bennett, J. D., & Laughton, C. A. (1971). Annotated bibliography and index of the geology of Botswana, 1967-1970. Geological Survey and Mines Dept..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bennett, J. D., και C. A. Laughton. Annotated Bibliography and Index of the Geology of Botswana, 1967-1970. [Lobatse, Botswana]: Geological Survey and Mines Dept., 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Bennett, J. D., και C. A. Laughton. Annotated Bibliography and Index of the Geology of Botswana, 1967-1970. Geological Survey and Mines Dept., 1971.