Παραπομπή σε μορφή APA (7η εκδ.)

Chong, A., Hentschel, J., & Saavedra, J. (2004). Bundling services and household welfare in developing countries: The case of Peru. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chong, Alberto, Jesko Hentschel, και Jaime Saavedra. Bundling Services and Household Welfare in Developing Countries: The Case of Peru. [Washington, D.C: World Bank, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chong, Alberto, et al. Bundling Services and Household Welfare in Developing Countries: The Case of Peru. World Bank, 2004.