APA (7th ed.) Zitazioa

Brits, G. J., & Meynhardt, J. T. (1992). International workshop on intensive cultivation of Protea. ISHS.

Chicago Style (17th ed.) Zitazioa

Brits, G. J., eta J. T. Meynhardt. International Workshop on Intensive Cultivation of Protea. Wageningen: ISHS, 1992.

MLA (9th ed.) Zitazioa

Brits, G. J., eta J. T. Meynhardt. International Workshop on Intensive Cultivation of Protea. ISHS, 1992.