Dyfyniad APA

Stoddard, C. H. (1959). Essentials of forestry practice (3.). John Wiley & Sons INC.

Dyfyniad Arddull Chicago

Stoddard, Charles H. Essentials of Forestry Practice. 3. USA: John Wiley & Sons INC, 1959.

Dyfyniad MLA

Stoddard, Charles H. Essentials of Forestry Practice. 3. John Wiley & Sons INC, 1959.

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