Παραπομπή σε μορφή APA (7η εκδ.)

Hussain, M. S., Huq, S. M. I., & Iqbal, M. A. (1992). Improving soil management for intensive cropping in the tropics and sub-tropics. Bangladesh Agricultural Research Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hussain, M. S., S. M. Imamul Huq, και M. Anwar Iqbal. Improving Soil Management for Intensive Cropping in the Tropics and Sub-tropics. Dhaka: Bangladesh Agricultural Research Council, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hussain, M. S., et al. Improving Soil Management for Intensive Cropping in the Tropics and Sub-tropics. Bangladesh Agricultural Research Council, 1992.