Dyfyniad APA

Gullotta, T. P., Adams, G. R., & Markstrom, C. A. (2000). The adolescent experience (4th ed.). Academic Press.

Dyfyniad Arddull Chicago

Gullotta, Thomas P., Gerald R. Adams, and Carol A. Markstrom. The Adolescent Experience. 4th ed. San Diego, Calif.: Academic Press, 2000.

Dyfyniad MLA

Gullotta, Thomas P., et al. The Adolescent Experience. 4th ed. Academic Press, 2000.

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