Rippen, B. v. (1964). Notes on some Bushman implements. Kraus Reprint.
Cita Chicago (17th ed.)Rippen, Bene van. Notes on Some Bushman Implements. New York: Kraus Reprint, 1964.
Cita MLA (9th ed.)Rippen, Bene van. Notes on Some Bushman Implements. Kraus Reprint, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.