Pennsylvania Fish Commission. Combined biennial report for the period ending ... The Commission.
Chicago-referens (17:e uppl.)Pennsylvania Fish Commission. Combined Biennial Report for the Period Ending ... Harrisburg, Pa.: The Commission.
MLA-referens (8:e uppl.)Pennsylvania Fish Commission. Combined Biennial Report for the Period Ending ... The Commission.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.