Gaya APA

Anthony, W, A., Carkhuff, R, R. (1985). The art of Health care A hand book of psycological First aid skills . Massachusets: HRD press.

Gaya MLA

Anthony, William, A.., Carkhuff, Robert, R.. "The art of Health care A hand book of psycological First aid skills". Massachusets: HRD press, 1985. Text.