APA

Hunkeler D., Hunkeler D., Lichtenvort K., Rebitzer G. & Ciroth A. (2008). Environmental life cycle costing. Boca Raton, Fla. [u.a.]: CRC Press.

Chicago

Hunkeler David, Hunkeler David, Lichtenvort Kerstin, Rebitzer Gerald and Ciroth Andreas. 2008. Environmental life cycle costing. Boca Raton, Fla. [u.a.]: CRC Press.

Harvard

Hunkeler D., Hunkeler D., Lichtenvort K., Rebitzer G. and Ciroth A. (2008). Environmental life cycle costing. Boca Raton, Fla. [u.a.]: CRC Press.

MLA

Hunkeler David, Hunkeler David, Lichtenvort Kerstin, Rebitzer Gerald and Ciroth Andreas. Environmental life cycle costing. Boca Raton, Fla. [u.a.]: CRC Press. 2008.