Index Theologicus

Παραπομπή σε μορφή APA (7η εκδ.)

Keenan, M. (2002). From Stockholm to Johannesburg: An historical overview of the concern of the Holy See for the environment; 1972 - 2002. Libreria editrice vaticana.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keenan, Marjorie. From Stockholm to Johannesburg: An Historical Overview of the Concern of the Holy See for the Environment; 1972 - 2002. Vatican city: Libreria editrice vaticana, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Keenan, Marjorie. From Stockholm to Johannesburg: An Historical Overview of the Concern of the Holy See for the Environment; 1972 - 2002. Libreria editrice vaticana, 2002.