Gaya APA
ELLSWORTH, J, H., ELLSWORTH, M, V. (1997).
MARKETING ON THE INTERNET : PEMASARAN DI INTERNET (ED. 1).
JAKARTA:
GRASINDO.
Gaya MLA
ELLSWORTH, JILL, H.., ELLSWORTH, MATTHEW, V..
"MARKETING ON THE INTERNET : PEMASARAN DI INTERNET".
ED. 1
JAKARTA:
GRASINDO,
1997.
Prodi S1 Adm. Bisnis.