Παραπομπή σε μορφή APA (7η εκδ.)

Lemons, J., Westra, L., & Goodland, R. (1998). Ecological sustainability and integrity: Concepts and approaches. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lemons, John, Laura Westra, και Robert Goodland. Ecological Sustainability and Integrity: Concepts and Approaches. Dordrecht: Kluwer Academic Publishers, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lemons, John, et al. Ecological Sustainability and Integrity: Concepts and Approaches. Kluwer Academic Publishers, 1998.