Dyfyniad APA

National Council of Applied Economic Research. (1971). Demand for scooters.

Dyfyniad Arddull Chicago

National Council of Applied Economic Research. Demand for Scooters. New Delhi, 1971.

Dyfyniad MLA

National Council of Applied Economic Research. Demand for Scooters. 1971.

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