Dyfyniad APA

Stone, A. H., & Sherman, L. R. (1975). Laboratory supplement to accompany spaceship earth: Life science. Houghton Mifflin.

Dyfyniad Arddull Chicago

Stone, A. Harris, and Lloyd R. Sherman. Laboratory Supplement to Accompany Spaceship Earth: Life Science. Boston: Houghton Mifflin, 1975.

Dyfyniad MLA

Stone, A. Harris, and Lloyd R. Sherman. Laboratory Supplement to Accompany Spaceship Earth: Life Science. Houghton Mifflin, 1975.

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