Παραπομπή APA

Nagy, S. (1977). Cirtus science and technology V.2. Avi Publishing company Inc.

Παραπομπή Chicago Style

Nagy, Steven. Cirtus Science and Technology V.2. Connecticut: Avi Publishing company Inc, 1977.

Παραπομπή MLA

Nagy, Steven. Cirtus Science and Technology V.2. Avi Publishing company Inc, 1977.