APA Format
Gilmore, Gary D.; Campbell, Donald . (). Needs and...: Educational needs assessment, ( Bab. ) ( halaman 181-189 ). : USA: Jonesand bartlett publishers, 2005
MLA Format
Gilmore, Gary D.; Campbell, Donald . Needs and...: Educational needs assessment, ( Bab. ) ( halaman 181-189 ). : USA: Jonesand bartlett publishers, 2005,
Australian/Harvard Format
Gilmore, Gary D.; Campbell, Donald . . Needs and...: Educational needs assessment, ( Bab. ) ( halaman 181-189 ). USA: Jonesand bartlett publishers, 2005, 
Warning: These citations may not always be 100% accurate.