Gaya APA

, ., Hoppock, R. (1976). Occupational Information where to get it and how to use it in career ì education, career counseling, and career development . New York: .

Gaya MLA

, ., Hoppock, Robert. "Occupational Information where to get it and how to use it in career ì education, career counseling, and career development". New York: , 1976. Text.