APA (7e ed.) Bronvermelding

Bellamy, G. T., Horner, R. H., & Inman, D. P. (1979). Vocational habilitation of severely retarded adults: A direct service technology. University Park Press.

Chicago (17e ed.) Bronvermelding

Bellamy, G. Thomas, Robert H. Horner, en Dean P. Inman. Vocational Habilitation of Severely Retarded Adults: A Direct Service Technology. Baltimore: University Park Press, 1979.

MLA (8e ed.) Bronvermelding

Bellamy, G. Thomas, et al. Vocational Habilitation of Severely Retarded Adults: A Direct Service Technology. University Park Press, 1979.