APA引文

Ettore Gelpi. (1985). Life long education and international relations. Croom Helm.

Chicago Edition Citation

Ettore Gelpi. Life Long Education and International Relations. London: Croom Helm, 1985.

MLA引文

Ettore Gelpi. Life Long Education and International Relations. Croom Helm, 1985.

警告：這些引文格式不一定是100％准確.