Παραπομπή APA

Goel, S., & Goel, B. (1979). Principles, problems and prospects of co-operative administration. 1979.

Παραπομπή Chicago Style

Goel, S.L, και B.B Goel. Principles, Problems and Prospects of Co-operative Administration. New Delhi sterling publishers pvt ltd: 1979, 1979.

Παραπομπή MLA

Goel, S.L, και B.B Goel. Principles, Problems and Prospects of Co-operative Administration. 1979, 1979.