Gaya APA
World Air and Seaport Security and Defence Reference Book 1989. (1989).
United Kingdom:
Cornhill Publications LImited.
Gaya Chicago
World Air and Seaport Security and Defence Reference Book 1989.
-.
United Kingdom:
Cornhill Publications LImited,
1989.
Text.
Gaya MLA
World Air and Seaport Security and Defence Reference Book 1989.
-.
United Kingdom:
Cornhill Publications LImited,
1989.
Text.
Gaya Turabian
World Air and Seaport Security and Defence Reference Book 1989.
United Kingdom:
Cornhill Publications LImited,
1989.
Print.