APA-viite (7. p.)
Frick, H. C. (1967). An economic Appraisal of the Canadian lobster fishery.
Chicago-viite (17. p.)
Frick, Harold C. An Economic Appraisal of the Canadian Lobster Fishery. 1967.
MLA-viite (9. p.)
Frick, Harold C. An Economic Appraisal of the Canadian Lobster Fishery. 1967.
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