Gaya APA
Wenner, M, W. (1991).
Yemen Arab Republic ( Development and Change in an Ancient Land ) .
Boulder, San Fransisco, Oxford:
Westview Press.
Gaya MLA
Wenner, Manferd, W..
"Yemen Arab Republic ( Development and Change in an Ancient Land )".
Boulder, San Fransisco, Oxford:
Westview Press,
1991.
Text.