Dyfyniad APA

Jeans, J. H. (1944). The universe around us (4a. ed.). Cambridge University.

Dyfyniad Arddull Chicago

Jeans, James Hopwood. The Universe Around Us. 4a. ed. Cambridge: Cambridge University, 1944.

Dyfyniad MLA

Jeans, James Hopwood. The Universe Around Us. 4a. ed. Cambridge University, 1944.

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