Gaya APA

Guidelines of lake management : vol. 1. Principles of lake management / edited S.E. Jorgensen and R.A. Vollenweider. (0). : S.l. : International Lake Environment Committee.

Gaya MLA

Guidelines of lake management : vol. 1. Principles of lake management / edited S.E. Jorgensen and R.A. Vollenweider. . : S.l. : International Lake Environment Committee, 0. Text.