APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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