Gaya APA

Teague, M, L. et al (2007). Your Health Today : Choice In A Changing Society (2). United States of America: Mc Graw Hill.

Gaya MLA

Teague, Micxhael, L.. et al. "Your Health Today : Choice In A Changing Society". 2 United States of America: Mc Graw Hill, 2007. Text.