APA Format
Gilmore, Gary D.; Campbell, Donald . (). Needs and...: Single-step surveys, ( Bab.3 ) ( halaman 46-66 ). : USA: Jonesand bartlett publishers, 2005
MLA Format
Gilmore, Gary D.; Campbell, Donald . Needs and...: Single-step surveys, ( Bab.3 ) ( halaman 46-66 ). : USA: Jonesand bartlett publishers, 2005,
Australian/Harvard Format
Gilmore, Gary D.; Campbell, Donald . . Needs and...: Single-step surveys, ( Bab.3 ) ( halaman 46-66 ). USA: Jonesand bartlett publishers, 2005, 
Warning: These citations may not always be 100% accurate.