Dyfyniad APA

Roh, M. S., & Lawson, R. H. (1993). Second international symposium on the development of new floricultural crops. ISHS.

Dyfyniad Arddull Chicago

Roh, Mark S., and Roger H. Lawson. Second International Symposium on the Development of New Floricultural Crops. Wageningen: ISHS, 1993.

Dyfyniad MLA

Roh, Mark S., and Roger H. Lawson. Second International Symposium on the Development of New Floricultural Crops. ISHS, 1993.

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