Gaya APA
CARLSEN,G.Robert. (1975).
Focus .
New York:
McGRAW-HILL BOOK COMPANY.
Gaya Chicago
CARLSEN,G.Robert.
Focus.
New York:
McGRAW-HILL BOOK COMPANY,
1975.
Teks.
Gaya MLA
CARLSEN,G.Robert.
Focus.
New York:
McGRAW-HILL BOOK COMPANY,
1975.
Teks.
Gaya Turabian
CARLSEN,G.Robert.
Focus.
New York:
McGRAW-HILL BOOK COMPANY,
1975.
Teks.