APA-ийн эшлэл(7 дахь хэвлэлт)

Singh, R. (1987). Farm production in rainfed sub-mountains Punjab. B.R. Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Singh, Rachhpal. Farm Production in Rainfed Sub-mountains Punjab. Delhi: B.R. Publishing, 1987.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Singh, Rachhpal. Farm Production in Rainfed Sub-mountains Punjab. B.R. Publishing, 1987.