Dyfyniad APA

Groves, E. R., & Groves, G. H. (1929). Wholesome parenthood. Houghton Mifflin company.

Dyfyniad Arddull Chicago

Groves, Ernest R., and Gladys Hoagland Groves. Wholesome Parenthood. Boston and New York: Houghton Mifflin company, 1929.

Dyfyniad MLA

Groves, Ernest R., and Gladys Hoagland Groves. Wholesome Parenthood. Houghton Mifflin company, 1929.

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