Citazione Stile APA (7a Edizione)

Singh, G. S. (1967). Economic and commercial geography: Research techniques and commodities. Manaktalas.

Citazione stile Chigago Style (17a edizione)

Singh, Govind Saran. Economic and Commercial Geography: Research Techniques and Commodities. Bombay: Manaktalas, 1967.

Citatione MLA (9a ed.)

Singh, Govind Saran. Economic and Commercial Geography: Research Techniques and Commodities. Manaktalas, 1967.