Gaya APA

FEILD, G, B. (1978). Cosmic evolution: an introduction to Astronomy / George B. Field, Gerrit L. Verchuur, Cyril Ponnamperuma . : Hougton Mifflin.

Gaya MLA

FEILD, George, B.. "Cosmic evolution: an introduction to Astronomy / George B. Field, Gerrit L. Verchuur, Cyril Ponnamperuma". : Hougton Mifflin, 1978. Manajemen pendidikan Islam.