APA Style

BEHRENS, W., Hawranek, P. (1991). Manual for The Preparation Of Industrial Feasibility Studies: Newly Revised and Expanded Edition (1). Vienna: United Nations Industrial Development Organization.

MLA Style

BEHRENS, W.., Hawranek, P.M.. "Manual for The Preparation Of Industrial Feasibility Studies: Newly Revised and Expanded Edition". 1 Vienna: United Nations Industrial Development Organization, 1991. Text.