Mayer, M. (2003). A boy, a dog, and a frog. Dial Books for Young Readers.
Cita Chicago (17th ed.)Mayer, Mercer. A Boy, a Dog, and a Frog. New York: Dial Books for Young Readers, 2003.
Cita MLA (8th ed.)Mayer, Mercer. A Boy, a Dog, and a Frog. Dial Books for Young Readers, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.