Dyfyniad APA

Orem, D. E. (1980). Nursing: Concepts of practice (2d ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Orem, Dorothea E. Nursing: Concepts of Practice. 2d ed. New York: McGraw-Hill, 1980.

Dyfyniad MLA

Orem, Dorothea E. Nursing: Concepts of Practice. 2d ed. McGraw-Hill, 1980.

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