Dyfyniad APA

Allard, H., & Marshall, J. (1977). Miss Nelson is missing! Houghton Mifflin.

Dyfyniad Arddull Chicago

Allard, Harry, and James Marshall. Miss Nelson Is Missing! Boston: Houghton Mifflin, 1977.

Dyfyniad MLA

Allard, Harry, and James Marshall. Miss Nelson Is Missing! Houghton Mifflin, 1977.

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