Dyfyniad APA

Keene, C. (2013). Nancy Drew Diaries: Once Upon a Thriller No. 4. Aladdin Paperbacks.

Dyfyniad Arddull Chicago

Keene, Carolyn. Nancy Drew Diaries: Once Upon a Thriller No. 4. New York: Aladdin Paperbacks, 2013.

Dyfyniad MLA

Keene, Carolyn. Nancy Drew Diaries: Once Upon a Thriller No. 4. Aladdin Paperbacks, 2013.

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