Gaya APA
Port engineering and operation. (1985).
London:
Thomas Triford.
Gaya Chicago
Port engineering and operation.
text.
London:
Thomas Triford,
1985.
Tesis.
Gaya MLA
Port engineering and operation.
text.
London:
Thomas Triford,
1985.
Tesis.
Gaya Turabian
Port engineering and operation.
London:
Thomas Triford,
1985.
Tesis.