APA (7th ed.) Zitazioa

Sahlberg, C. (1986). From Krapf to Rugambwa. Evangel.

Chicago Style (17th ed.) Zitazioa

Sahlberg, Carl-Erik. From Krapf to Rugambwa. Nairobi: Evangel, 1986.

MLA (9th ed.) Zitazioa

Sahlberg, Carl-Erik. From Krapf to Rugambwa. Evangel, 1986.