American Public Health Association, Greenberg, A. E., & Hunt, D. A. (1984). Laboratory procedures for the examination of seawater and shellfish (5th ed.). American Public Health Association.

American Public Health Association, Arnold E. Greenberg, and Daniel A. Hunt. Laboratory Procedures for the Examination of Seawater and Shellfish. 5th ed. Washington, D.C: American Public Health Association, 1984.

American Public Health Association, et al. Laboratory Procedures for the Examination of Seawater and Shellfish. 5th ed. American Public Health Association, 1984.