http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

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.