APA Style
Thorpe, Merle. (1957).
The greatest opportunity in the world selling .
California:
Hawthorn Books.
Chicago Style
Thorpe, Merle.
The greatest opportunity in the world selling.
California:
Hawthorn Books,
1957.
Buku Teks.
MLA Style
Thorpe, Merle.
The greatest opportunity in the world selling.
California:
Hawthorn Books,
1957.
Buku Teks.
Turabian Style
Thorpe, Merle.
The greatest opportunity in the world selling.
California:
Hawthorn Books,
1957.
Buku Teks.