APA (7e ed.) Bronvermelding

Hopkins, H. L., & Smith, H. D. (1993). Willard and Spackman's occupational therapy (8th ed.). Lippincott.

Chicago (17e ed.) Bronvermelding

Hopkins, Helen L., en Helen D. Smith. Willard and Spackman's Occupational Therapy. 8th ed. Philadelphia: Lippincott, 1993.

MLA (9e ed.) Bronvermelding

Hopkins, Helen L., en Helen D. Smith. Willard and Spackman's Occupational Therapy. 8th ed. Lippincott, 1993.