Gaya APA
N.Berkowitz, E. (1996).
Essentials of Health Care Marketing (foto kopi) .
Maryland:
AN Aspen Publication/Maryland/1996.
Gaya MLA
N.Berkowitz, Eric.
"Essentials of Health Care Marketing (foto kopi)".
Maryland:
AN Aspen Publication/Maryland/1996,
1996.
Text.