Dyfyniad APA

Arnold, N. (2002). Horrible Science: The Terrible Truth About Time. Scholastic Children's Book.

Dyfyniad Arddull Chicago

Arnold, Nick. Horrible Science: The Terrible Truth About Time. London: Scholastic Children's Book, 2002.

Dyfyniad MLA

Arnold, Nick. Horrible Science: The Terrible Truth About Time. Scholastic Children's Book, 2002.

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