Dyfyniad APA

Gupta, G. S. (1990). Managerial economics. Tata Mc Graw -Hill Publishing Company Limited.

Dyfyniad Arddull Chicago

Gupta, G S. Managerial Economics. New Delhi: Tata Mc Graw -Hill Publishing Company Limited, 1990.

Dyfyniad MLA

Gupta, G S. Managerial Economics. Tata Mc Graw -Hill Publishing Company Limited, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.