APA

Harwit M., . (1973). Astrophysical concepts. New York [u.a.]: Wiley.

Chicago

Harwit Martin, . 1973. Astrophysical concepts. New York [u.a.]: Wiley.

Harvard

Harwit M., . (1973). Astrophysical concepts. New York [u.a.]: Wiley.

MLA

Harwit Martin, . Astrophysical concepts. New York [u.a.]: Wiley. 1973.