Gaya APA
Friedrich, Hermann.. (1973).
Marine biology : an intoduction to its problems and results / Hermann Friedrich .
London:
Sidgwick n Jackson.
Gaya Chicago
Friedrich, Hermann..
Marine biology : an intoduction to its problems and results / Hermann Friedrich.
London:
Sidgwick n Jackson,
1973.
Text.
Gaya MLA
Friedrich, Hermann..
Marine biology : an intoduction to its problems and results / Hermann Friedrich.
London:
Sidgwick n Jackson,
1973.
Text.
Gaya Turabian
Friedrich, Hermann..
Marine biology : an intoduction to its problems and results / Hermann Friedrich.
London:
Sidgwick n Jackson,
1973.
Print.