APA

Woolard G., . (2006). Lessons with Laughter. : Language Teaching Publications.

Chicago

Woolard G, . 2006. Lessons with Laughter. : Language Teaching Publications.

Harvard

Woolard G., . (2006). Lessons with Laughter. : Language Teaching Publications.

MLA

Woolard G, . Lessons with Laughter. : Language Teaching Publications. 2006.