Gaya APA

Campbell, N. (2010). GAPS gut and psychology syndrome : natural treatment for autism, sydpraxia, A.D.D, dyslexia, A.D.H.D, depression, schizophrenia . : Cambridge.

Gaya MLA

Campbell, Natasha. "GAPS gut and psychology syndrome : natural treatment for autism, sydpraxia, A.D.D, dyslexia, A.D.H.D, depression, schizophrenia". : Cambridge, 2010. BOOK.