Gaya APA

Puntel, L, B., White, A. (2008). Structure and Being: A Theoretical Framework for a Systematic Philosophy . University Park, Penssylvania: The Pennsylvania State University Press.

Gaya MLA

Puntel, Lorenz, B.., White, Alan. "Structure and Being: A Theoretical Framework for a Systematic Philosophy". University Park, Penssylvania: The Pennsylvania State University Press, 2008. e-book.