Gaya APA
ALLEN, C, H.
(1987).
OMAN: THE MODERNIZATION OF THE SULTANATE
.
Boulder,Colorado:
WESTVIEW PRESS, Colorado.
Gaya MLA
ALLEN, Calvin, H..
"OMAN: THE MODERNIZATION OF THE SULTANATE".
Boulder,Colorado:
WESTVIEW PRESS, Colorado,
1987.
Textbook.