Gaya APA
TASSEL,Roger C.Van. (1969).
Economic Essentials .
New York:
Houghton Mifflin Company.
Gaya Chicago
TASSEL,Roger C.Van.
Economic Essentials.
New York:
Houghton Mifflin Company,
1969.
Teks.
Gaya MLA
TASSEL,Roger C.Van.
Economic Essentials.
New York:
Houghton Mifflin Company,
1969.
Teks.
Gaya Turabian
TASSEL,Roger C.Van.
Economic Essentials.
New York:
Houghton Mifflin Company,
1969.
Teks.