Dyfyniad APA

Pinson, G. S. (1978). A pedal-operated grain mill. London: Tropical Products Institute.

Dyfyniad Arddull Chicago

Pinson, G. S. A Pedal-operated Grain Mill. London: Tropical Products Institute, 1978.

Dyfyniad MLA

Pinson, G. S. A Pedal-operated Grain Mill. London: Tropical Products Institute, 1978.

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