Gaya APA
TURNEY, P, B. (1991).
COMMENTS : THE ABC PERFORMANCE BREATHROUGH ON COMMON CENTS .
PORTLAND:
COST TECHNOLOGY.
Gaya MLA
TURNEY, PETER, B.B..
"COMMENTS : THE ABC PERFORMANCE BREATHROUGH ON COMMON CENTS".
PORTLAND:
COST TECHNOLOGY,
1991.
Prodi S1 Manajemen.