APA ציטוט

Bernard Lovell. (1968). Our present knowledge of the universe. Massachussetts: Harvard Univ.

Trích dẫn kiểu Chicago

Bernard Lovell. Our Present Knowledge of the Universe. Massachussetts: Harvard Univ, 1968.

ציטוט MLA

Bernard Lovell. Our Present Knowledge of the Universe. Massachussetts: Harvard Univ, 1968.