Dyfyniad APA

Spangenberg, I., & Landman, C. (2016). The legacies of Albert Schweitzer reconsidered. AOSIS.

Dyfyniad Arddull Chicago

Spangenberg, Izak, and Christina Landman. The Legacies of Albert Schweitzer Reconsidered. Durbanville: AOSIS, 2016.

Dyfyniad MLA

Spangenberg, Izak, and Christina Landman. The Legacies of Albert Schweitzer Reconsidered. AOSIS, 2016.

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