Andrews,William A, & McEwan,Sandra J. (1987). Investigating Aquatic Ecosystems. Prentice-Hall.
Citación estilo ChicagoAndrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Ontario: Prentice-Hall, 1987.
Cita MLAAndrews,William A, and McEwan,Sandra J. Investigating Aquatic Ecosystems. Prentice-Hall, 1987.
Warning: These citations may not always be 100% accurate.