Dyfyniad APA

Giarratano-Russell, S. C. (1999). Health. New York: McGraw-Hill School Division.

Dyfyniad Arddull Chicago

Giarratano-Russell, Susan C. Health. New York: McGraw-Hill School Division, 1999.

Dyfyniad MLA

Giarratano-Russell, Susan C. Health. New York: McGraw-Hill School Division, 1999.

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