Παραπομπή σε μορφή APA (7η εκδ.)

Laxminarayan, H. (1981). Impact of harvest combines on labour-use, crop pattern, and productivity. Agricole Pub. Academy.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Laxminarayan, H. Impact of Harvest Combines on Labour-use, Crop Pattern, and Productivity. New Delhi: Agricole Pub. Academy, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Laxminarayan, H. Impact of Harvest Combines on Labour-use, Crop Pattern, and Productivity. Agricole Pub. Academy, 1981.