Gundissalinus, D., & Laumakis, J. A. (2002). The Procession of the world. Marquette University Press.
Tohutoru Kātū Chicago (17th ed.)Gundissalinus, Dominicus, me John A. Laumakis. The Procession of the World. Milwaukee, Wis.: Marquette University Press, 2002.
Tohutoro MLA (9th ed.)Gundissalinus, Dominicus, me John A. Laumakis. The Procession of the World. Marquette University Press, 2002.
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