APA Citatie

Walls, C., & Breidenbach, R. (2005). Spring in action (2nd ed.). Dreamtech.

Chicago Style citaat

Walls, Craig, en Ryan Breidenbach. Spring in Action. 2nd ed. New Delhi: Dreamtech, 2005.

MLA citatie

Walls, Craig, en Ryan Breidenbach. Spring in Action. 2nd ed. Dreamtech, 2005.