Não informado. (2012). Memorandum I. U.S. Department of Commerce, Bureau of Fisheries.
Chicago (17e ed.) BronvermeldingNão informado. Memorandum I. Washington: U.S. Department of Commerce, Bureau of Fisheries, 2012.
MLA (8e ed.) BronvermeldingNão informado. Memorandum I. U.S. Department of Commerce, Bureau of Fisheries, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.