Penggayaan APA
GAERTNER, Heinz. (1989).
Challenges of verification : .
New York:
Institute for East-West security Studies.
Chicago Style
GAERTNER, Heinz.
Challenges of verification :.
New York:
Institute for East-West security Studies,
1989.
Buku.
MLA Style
GAERTNER, Heinz.
Challenges of verification :.
New York:
Institute for East-West security Studies,
1989.
Buku.
Turabian Style
GAERTNER, Heinz.
Challenges of verification :.
New York:
Institute for East-West security Studies,
1989.
Buku.