Levin, E. (1968). Fish protein concentrate. VioBin Corporation.
Cita Chicago (17th ed.)Levin, Ezra. Fish Protein Concentrate. Monticello: VioBin Corporation, 1968.
Cita MLA (9th ed.)Levin, Ezra. Fish Protein Concentrate. VioBin Corporation, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.