APA Style
Elements of direct marketing. (1985).
:
New York : McGraw-Hill.
Chicago Style
Elements of direct marketing.
.
:
New York : McGraw-Hill,
1985.
.
MLA Style
Elements of direct marketing.
.
:
New York : McGraw-Hill,
1985.
.
Turabian Style
Elements of direct marketing.
:
New York : McGraw-Hill,
1985.
.