APA Format
Cottrell, Randall R. . (). Principles and... : The health education specialist : roles, responsibilities, certification, advanced study, ( ket. lihat bab. 6 ) ( halaman 181-218 ). : London : Pearson, 2014
MLA Format
Cottrell, Randall R. . Principles and... : The health education specialist : roles, responsibilities, certification, advanced study, ( ket. lihat bab. 6 ) ( halaman 181-218 ). : London : Pearson, 2014,
Australian/Harvard Format
Cottrell, Randall R. . . Principles and... : The health education specialist : roles, responsibilities, certification, advanced study, ( ket. lihat bab. 6 ) ( halaman 181-218 ). London : Pearson, 2014, 
Warning: These citations may not always be 100% accurate.