Sinnott-Armstrong, Walter, author
Oxford University Press, 2016
eBooks
Keyes, Charles Don
Routledge, 1999
Buku Teks SO
Keyes, Charles Don
Routledge, 1999
Buku Teks SO
Alexander Moreira-Almeida, Franklin Santana Santos, editors
Springer, 2012
eBooks
Bear, Mark F., author
Wolters Kluwer, 2016
Buku Teks