Παραπομπή σε μορφή APA (7η εκδ.)

Roolaht, T. (2002). The internationalization of Estonian companies: An exploratory study of relationship aspects. Tartu University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roolaht, Tõnu. The Internationalization of Estonian Companies: An Exploratory Study of Relationship Aspects. Tartu: Tartu University Press, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Roolaht, Tõnu. The Internationalization of Estonian Companies: An Exploratory Study of Relationship Aspects. Tartu University Press, 2002.