APA

United Nations G. O. . S. O. T. P. O. G. A. S. W. A. P. B. C. O. P. (. (., United Nations G. O. . S. O. T. P. O. G. A. S. W. A. P. B. C. O. P. (. (., . (1970). Proceedings V2. New York: United Nations USA.

Chicago

United Nations Government Of Seminar On The Protection Of Ground And Surface Waters Against Pollution By Crude Oil Products (Geneva) (1969), United Nations Government Of Seminar On The Protection Of Ground And Surface Waters Against Pollution By Crude Oil Products (Geneva) (1969), . 1970. Proceedings V2. New York: United Nations USA.

Harvard

United Nations G. O. . S. O. T. P. O. G. A. S. W. A. P. B. C. O. P. (. (., United Nations G. O. . S. O. T. P. O. G. A. S. W. A. P. B. C. O. P. (. (., . (1970). Proceedings V2. New York: United Nations USA.

MLA

United Nations Government Of Seminar On The Protection Of Ground And Surface Waters Against Pollution By Crude Oil Products (Geneva) (1969), United Nations Government Of Seminar On The Protection Of Ground And Surface Waters Against Pollution By Crude Oil Products (Geneva) (1969), . Proceedings V2. New York: United Nations USA. 1970.