Gaya APA

Welty, G., Shannon, N, D. (2023). Great Thinkers : Alvin Plantinga . Phillipsburg, New Jersey, USA: P & R Publishing.

Gaya MLA

Welty, Greg., Shannon, Nathan, D.. "Great Thinkers : Alvin Plantinga". Phillipsburg, New Jersey, USA: P & R Publishing, 2023. Academic.