APA (7e ed.) Bronvermelding

Institution of Chemical Engineers (Great Britain). Yorkshire Branch & Heggs, P. J. (1986). Effluent treatment and disposal: A three-day symposium. Institution of Chemical Engineers.

Chicago (17e ed.) Bronvermelding

Institution of Chemical Engineers (Great Britain). Yorkshire Branch en P. J. Heggs. Effluent Treatment and Disposal: A Three-day Symposium. Oxford [Oxfordshire]: Institution of Chemical Engineers, 1986.

MLA (9e ed.) Bronvermelding

Institution of Chemical Engineers (Great Britain). Yorkshire Branch en P. J. Heggs. Effluent Treatment and Disposal: A Three-day Symposium. Institution of Chemical Engineers, 1986.