Gaya APA
Howells, H.. (1968).
Airport Engineering (Standard Handbook for Civil Engineers) .
:
McGraw Hill.
Gaya Chicago
Howells, H..
Airport Engineering (Standard Handbook for Civil Engineers).
:
McGraw Hill,
1968.
Globe.
Gaya MLA
Howells, H..
Airport Engineering (Standard Handbook for Civil Engineers).
:
McGraw Hill,
1968.
Globe.
Gaya Turabian
Howells, H..
Airport Engineering (Standard Handbook for Civil Engineers).
:
McGraw Hill,
1968.
Globe.