Gaya APA
Easton, T, A., Conant, R, W. (1985).
Using consultants : a consumer\'s guide for managers .
Illinois:
Probus Pub. Co..
Gaya MLA
Easton, Thomas, A., Conant, Ralph, W.
"Using consultants : a consumer\'s guide for managers".
Illinois:
Probus Pub. Co.,
1985.
Text.