Dyfyniad APA

Langton, N. (1969). space environment. University of London press.

Dyfyniad Arddull Chicago

Langton, N.H. Space Environment. London: University of London press, 1969.

Dyfyniad MLA

Langton, N.H. Space Environment. University of London press, 1969.

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