Παραπομπή σε μορφή APA (7η εκδ.)

(2011). Present Environment and Sustainable Development. Alexandru Ioan Cuza University Press, Iasi, Romania.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Present Environment and Sustainable Development. Alexandru Ioan Cuza University Press, Iasi, Romania, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Present Environment and Sustainable Development. Alexandru Ioan Cuza University Press, Iasi, Romania, 2011.