Nygh, PE.
Butterworth, 1984
Buku Teks
Henderson, Julian, author
Food and Agriculture organization of the UN, 1970
Buku Teks
Edwards, Corwin D., author
Ocean Publications , 1966
Buku Teks
edited by Philip A. Shaver
Warren, Gorham and Lamont, 1969
Buku Teks
Fugate, Wilbur L., author
Little, Brown, 1982
Buku Teks