Styl cytowania APA

Akehurst, M. (1990). A Modern introduction to international law (Ed.6.).

Styl cytowania Chicago

Akehurst, Michael. A Modern Introduction to International Law. Ed.6. New Delhi, Universal Book Stall, 1990.

Styl cytowania MLA

Akehurst, Michael. A Modern Introduction to International Law. Ed.6. 1990.