Dyfyniad APA

Nath. (2013). The Story of Helium and the Birth of Astrophysics (1.). Springer New York.

Dyfyniad Arddull Chicago

Nath. The Story of Helium and the Birth of Astrophysics. 1. Springer New York, 2013.

Dyfyniad MLA

Nath. The Story of Helium and the Birth of Astrophysics. 1. Springer New York, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.