Penggayaan APA
McCOLL, Greg, OWEN, Tony. (1997).
Economic survey of Papua New Guinea .
[s.n.]:
[s.l.].
Chicago Style
McCOLL, Greg, OWEN, Tony.
Economic survey of Papua New Guinea.
[s.n.]:
[s.l.],
1997.
Buku.
MLA Style
McCOLL, Greg, OWEN, Tony.
Economic survey of Papua New Guinea.
[s.n.]:
[s.l.],
1997.
Buku.
Turabian Style
McCOLL, Greg, OWEN, Tony.
Economic survey of Papua New Guinea.
[s.n.]:
[s.l.],
1997.
Buku.