Dyfyniad APA

Kinney, J. (2009). Diary of a Wimpy Kid #4: Dog Days. Amulet Books.

Dyfyniad Arddull Chicago

Kinney, Jeff. Diary of a Wimpy Kid #4: Dog Days. New York: Amulet Books, 2009.

Dyfyniad MLA

Kinney, Jeff. Diary of a Wimpy Kid #4: Dog Days. Amulet Books, 2009.

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