Gaya APA

BARNES-SVARNEY, P, L. (2000). Through the telescope : a guide for the amateur astronomer / Patricia L.Barnes-Svarney . New York: McGraw Hill.

Gaya MLA

BARNES-SVARNEY, Patricia, L.. "Through the telescope : a guide for the amateur astronomer / Patricia L.Barnes-Svarney". New York: McGraw Hill, 2000. Text.