APA aipamena

Roberts, W. D. (1971). Strachan of Costa Rica: Missionary insights and strategies. Eerdmans.

Chicago Style aipamena

Roberts, W. Dayton. Strachan of Costa Rica: Missionary Insights and Strategies. Eerdmans, 1971.

MLA aipamena

Roberts, W. Dayton. Strachan of Costa Rica: Missionary Insights and Strategies. Eerdmans, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.