Dyfyniad APA

Curtis, J. T., & Cottam, G. (1969). Plant ecology workbook: Laboratory, field and reference manual. Burggess.

Dyfyniad Arddull Chicago

Curtis, J. T., and Grant Cottam. Plant Ecology Workbook: Laboratory, Field and Reference Manual. Brookline: Burggess, 1969.

Dyfyniad MLA

Curtis, J. T., and Grant Cottam. Plant Ecology Workbook: Laboratory, Field and Reference Manual. Burggess, 1969.

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