Dyfyniad APA

Harvey, F. (1969). Why does it rain? Harvey House.

Dyfyniad Arddull Chicago

Harvey, Fran. Why Does It Rain? New York: Harvey House, 1969.

Dyfyniad MLA

Harvey, Fran. Why Does It Rain? Harvey House, 1969.

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