Van der Riet, J., Van der Riet, M., & Bleek, D. F. (1940). More rock-paintings in South Africa: From the coastal belt between Albany and Piquetberg. London: Methuen.
Παραπομπή Chicago StyleVan der Riet, Joyce, Mollie Van der Riet, and Dorothea Frances Bleek. More Rock-paintings in South Africa: From the Coastal Belt between Albany and Piquetberg. London: Methuen, 1940.
Παραπομπή MLAVan der Riet, Joyce, Mollie Van der Riet, and Dorothea Frances Bleek. More Rock-paintings in South Africa: From the Coastal Belt between Albany and Piquetberg. London: Methuen, 1940.
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