Gaya APA
Van Tassel, Roger C.. (1969).
Economic Essentials: A Core Approach .
United States of America:
Houghton Mifflin Company.
Gaya Chicago
Van Tassel, Roger C..
Economic Essentials: A Core Approach.
United States of America:
Houghton Mifflin Company,
1969.
Texts.
Gaya MLA
Van Tassel, Roger C..
Economic Essentials: A Core Approach.
United States of America:
Houghton Mifflin Company,
1969.
Texts.
Gaya Turabian
Van Tassel, Roger C..
Economic Essentials: A Core Approach.
United States of America:
Houghton Mifflin Company,
1969.
Texts.