Παραπομπή APA

Huebner, W. F. E. (1990). Physics and Chemistry of comets.

Παραπομπή Chicago Style

Huebner, Walter F; Ed. Physics and Chemistry of Comets. Berlin, Springer Verlag, 1990.

Παραπομπή MLA

Huebner, Walter F; Ed. Physics and Chemistry of Comets. 1990.