Hartzer, F. J. (1988). Die geologie van die Krokodilrivierfragment, Transvaal.
Chicago Style (17th ed.) CitationHartzer, F. J. Die Geologie Van Die Krokodilrivierfragment, Transvaal. Pretoria, 1988.
MLA (9th ed.) CitationHartzer, F. J. Die Geologie Van Die Krokodilrivierfragment, Transvaal. 1988.
Warning: These citations may not always be 100% accurate.