Cita APA

Allan, S., & Allan, S. (1987). Water and soil issues: A guide for town and country planning. Wellington, N.Z.: National Water and Soil Conservation Authority.

Citación estilo Chicago

Allan, Sylvia, y Sylvia Allan. Water and Soil Issues: A Guide for Town and Country Planning. Wellington, N.Z.: National Water and Soil Conservation Authority, 1987.

Cita MLA

Allan, Sylvia, y Sylvia Allan. Water and Soil Issues: A Guide for Town and Country Planning. Wellington, N.Z.: National Water and Soil Conservation Authority, 1987.