Gaya APA

Holland, J, L. (1997). Making Vocational Choices : The Theory of Vocational Personalities and Work Environments 3'rd Ed. (3). Florida: Psychological Assessment Resources, Inc.

Gaya MLA

Holland, John, L.. "Making Vocational Choices : The Theory of Vocational Personalities and Work Environments 3'rd Ed.". 3 Florida: Psychological Assessment Resources, Inc, 1997. Text.