Gaya APA

Hasselt, V, B, V. (2001). Journal of child & adolescent substance abuse volume 11, number 2 2001 . Canada: The Haworth Press.

Gaya MLA

Hasselt, Vincent, B., Van. "Journal of child & adolescent substance abuse volume 11, number 2 2001". Canada: The Haworth Press, 2001. Text.