Dyfyniad APA

D G Land, E C Bate smith, & R Harper. (1968). Odour description and odour classification. J & A churchill ltd.

Dyfyniad Arddull Chicago

D G Land, E C Bate smith, and R Harper. Odour Description and Odour Classification. J & A churchill ltd, 1968.

Dyfyniad MLA

D G Land, et al. Odour Description and Odour Classification. J & A churchill ltd, 1968.

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