Gaya APA
Elder, Mark. (1982).
Keamanan di Air .
Jakarta:
Sinar Harapan.
Gaya Chicago
Elder, Mark.
Keamanan di Air.
Jakarta:
Sinar Harapan,
1982.
Text.
Gaya MLA
Elder, Mark.
Keamanan di Air.
Jakarta:
Sinar Harapan,
1982.
Text.
Gaya Turabian
Elder, Mark.
Keamanan di Air.
Jakarta:
Sinar Harapan,
1982.
Print.