Dyfyniad APA

Smith, D. M. N. (1980). Taxonomic studies in Pachycarpus (Ascelpiadaceae) in Southern Africa.

Dyfyniad Arddull Chicago

Smith, Dianne Mary Noelle. Taxonomic Studies in Pachycarpus (Ascelpiadaceae) in Southern Africa. 1980.

Dyfyniad MLA

Smith, Dianne Mary Noelle. Taxonomic Studies in Pachycarpus (Ascelpiadaceae) in Southern Africa. 1980.

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