Παραπομπή APA

Norman,, N. C. (1994). Periodicity and the p-block elements (1st.). OUP.

Παραπομπή Chicago Style

Norman,, Nicholas C. Periodicity and the P-block Elements. 1st. New York: OUP, 1994.

Παραπομπή MLA

Norman,, Nicholas C. Periodicity and the P-block Elements. 1st. OUP, 1994.