Não informado. (2002). General Series Circular. Fisheries Research Board of Canada, Biological Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. General Series Circular. Ottawa: Fisheries Research Board of Canada, Biological Station, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. General Series Circular. Fisheries Research Board of Canada, Biological Station, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.