Παραπομπή APA

Hackney, C. R., & Pierson, M. D. (1993). Environmental indicators and shell fish safety. Chapman & Hall.

Παραπομπή Chicago Style

Hackney, Cameron R., και Merle D. Pierson. Environmental Indicators and Shell Fish Safety. New York: Chapman & Hall, 1993.

Παραπομπή MLA

Hackney, Cameron R., και Merle D. Pierson. Environmental Indicators and Shell Fish Safety. Chapman & Hall, 1993.