Tacio, H. D. (1998). Go ahead: Laugh-it makes you healthier. Today.
Cita Chicago (17th ed.)Tacio, Henrylito D. "Go Ahead: Laugh-it Makes You Healthier." Today 1998.
Cita MLA (9th ed.)Tacio, Henrylito D. "Go Ahead: Laugh-it Makes You Healthier." Today, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.