Gaya APA
Laevastu, Taivo. (1981).
Marine Fisheries Ecosystem .
Britain:
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Gaya Chicago
Laevastu, Taivo.
Marine Fisheries Ecosystem.
Britain:
,
1981.
Text.
Gaya MLA
Laevastu, Taivo.
Marine Fisheries Ecosystem.
Britain:
,
1981.
Text.
Gaya Turabian
Laevastu, Taivo.
Marine Fisheries Ecosystem.
Britain:
,
1981.
Print.