APA-referens (7:e uppl.)
FITZGERALD, B., & ET AL. (2000). AN INVESTIGATION INTO DIET TREATMENT FOR ADULTS WITH PREVIOUSLY UNTREATED PHENYLKETONURIA AND SEVERE INTELLECTUAL DISABILITY.
Chicago-referens (17:e uppl.)
FITZGERALD, B., och ET AL. AN INVESTIGATION INTO DIET TREATMENT FOR ADULTS WITH PREVIOUSLY UNTREATED PHENYLKETONURIA AND SEVERE INTELLECTUAL DISABILITY. 2000.
MLA-referens (9:e uppl.)
FITZGERALD, B., och ET AL. AN INVESTIGATION INTO DIET TREATMENT FOR ADULTS WITH PREVIOUSLY UNTREATED PHENYLKETONURIA AND SEVERE INTELLECTUAL DISABILITY. 2000.
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