Gaya APA
KATZENSTEIN, Herbert, SACHS, William S.. (1992).
Direct Marketing (2nd.ed).
Singapore:
Macmillan Publishing Co..,INC.
Gaya Chicago
KATZENSTEIN, Herbert, SACHS, William S..
Direct Marketing.
2nd.ed
Singapore:
Macmillan Publishing Co..,INC,
1992.
.
Gaya MLA
KATZENSTEIN, Herbert, SACHS, William S..
Direct Marketing.
2nd.ed
Singapore:
Macmillan Publishing Co..,INC,
1992.
.
Gaya Turabian
KATZENSTEIN, Herbert, SACHS, William S..
Direct Marketing.
2nd.ed
Singapore:
Macmillan Publishing Co..,INC,
1992.
.