APA
Hales D.,, . (2009). An invitation to health. Belmont, CA: Wadsworth, Cengage Learning.
Chicago
Hales Dianne,, . 2009. An invitation to health. Belmont, CA: Wadsworth, Cengage Learning.
Harvard
Hales D.,, . (2009). An invitation to health. Belmont, CA: Wadsworth, Cengage Learning.
MLA
Hales Dianne,, . An invitation to health. Belmont, CA: Wadsworth, Cengage Learning. 2009.