Penggayaan APA
CETRON, Marvin, O'TOOLE, Thomas. (1983).
Encounters with the future: .
New York:
McGraw-Hill.
Chicago Style
CETRON, Marvin, O'TOOLE, Thomas.
Encounters with the future:.
New York:
McGraw-Hill,
1983.
Buku.
MLA Style
CETRON, Marvin, O'TOOLE, Thomas.
Encounters with the future:.
New York:
McGraw-Hill,
1983.
Buku.
Turabian Style
CETRON, Marvin, O'TOOLE, Thomas.
Encounters with the future:.
New York:
McGraw-Hill,
1983.
Buku.