Παραπομπή σε μορφή APA (7η εκδ.)

Grewal, S. S., & Sidhu, D. S. (1980). Prosperity of Punjab farmer: Reality or myth? Dept. of Economics & Sociology, Punjab Agricultural University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grewal, S. S., και Dalip Singh Sidhu. Prosperity of Punjab Farmer: Reality or Myth? Ludhiana: Dept. of Economics & Sociology, Punjab Agricultural University, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grewal, S. S., και Dalip Singh Sidhu. Prosperity of Punjab Farmer: Reality or Myth? Dept. of Economics & Sociology, Punjab Agricultural University, 1980.