Gaya APA
Pugsley, Alfred. (1968).
The Theory of Suspension Bridges .
Great Britain:
Edward Arnold.
Gaya Chicago
Pugsley, Alfred.
The Theory of Suspension Bridges.
Great Britain:
Edward Arnold,
1968.
Text.
Gaya MLA
Pugsley, Alfred.
The Theory of Suspension Bridges.
Great Britain:
Edward Arnold,
1968.
Text.
Gaya Turabian
Pugsley, Alfred.
The Theory of Suspension Bridges.
Great Britain:
Edward Arnold,
1968.
Print.