Παραπομπή APA

Barrett, J. . .. (2002). Atomic stacture and periodicity.

Παραπομπή Chicago Style

Barrett, Jack. Atomic Stacture and Periodicity. : RSC-Wiley interscience, 2002.

Παραπομπή MLA

Barrett, Jack. Atomic Stacture and Periodicity. 2002.