Παραπομπή σε μορφή APA (7η εκδ.)

Transvaal (Colony). Geological Survey & Transvaal (Colony). Mines Dept. Report of the Geological Survey for the year ... Govt. Print. and Stationery Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Transvaal (Colony). Geological Survey και Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Pretoria: Govt. Print. and Stationery Office.

Παραπομπή σε μορφή MLA (8th εκδ.)

Transvaal (Colony). Geological Survey και Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Govt. Print. and Stationery Office.