Cita APA

Freier, T. A., & Hartman, P. A. (1987). Improved membrane filtration media for enumeration of total coliforms and Escherichia coli from sewage and surface waters.

Chicago Style Citation

Freier, T A., i P A. Hartman. Improved Membrane Filtration Media for Enumeration of Total Coliforms and Escherichia Coli From Sewage and Surface Waters. 1987.

Cita MLA

Freier, T A., i P A. Hartman. Improved Membrane Filtration Media for Enumeration of Total Coliforms and Escherichia Coli From Sewage and Surface Waters. 1987.