Gaya APA

Goldberg, R., Loeppke, L. (2008). Taking Sides: Clashing Views in Drugs and Society (8 -). Boston: Mc Graw Hill-Higher Education.

Gaya MLA

Goldberg, Raymond., Loeppke, Larry. "Taking Sides: Clashing Views in Drugs and Society". 8 - Boston: Mc Graw Hill-Higher Education, 2008. Text.