APA

Nicholls G., Bateman G., Strouts E., Pott S., Wilbourn P., Royal Institution of Chartered Surveyors, College of Estate Management & National Rivers Authority. (1993). Preventing water pollution (sound recording). London: Royal Institution of Chartered Surveyors.

Chicago

Nicholls George, Bateman Geoff, Strouts Edward, Pott Simon, Wilbourn Philip, Royal Institution of Chartered Surveyors, College of Estate Management and National Rivers Authority. 1993. Preventing water pollution (sound recording). London: Royal Institution of Chartered Surveyors.

Harvard

Nicholls G., Bateman G., Strouts E., Pott S., Wilbourn P., Royal Institution of Chartered Surveyors, College of Estate Management and National Rivers Authority. (1993). Preventing water pollution (sound recording). London: Royal Institution of Chartered Surveyors.

MLA

Nicholls George, Bateman Geoff, Strouts Edward, Pott Simon, Wilbourn Philip, Royal Institution of Chartered Surveyors, College of Estate Management and National Rivers Authority. Preventing water pollution (sound recording). London: Royal Institution of Chartered Surveyors. 1993.