APA aipamena

Gorrie, R. M. (1946). Soil and water conservation in the Punjab.

Chicago Style aipamena

Gorrie, R. Maclagan. Soil and Water Conservation in the Punjab. [Simla?], 1946.

MLA aipamena

Gorrie, R. Maclagan. Soil and Water Conservation in the Punjab. 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.