Reulet, Anibal Sanchez
University of Mexico Press, 1954
Buku Teks
Susana Nuccetelli, Ofelia Schutte, Otavio Bueno
Wiley, 2013
Buku Teks
Kymlicka, Will, author
Clarendon Press, 1990
Buku Teks
Preiss, Julian, author
Routledge, 2013
Buku Teks
edited by Howard J. Wiarda, Harvey F. Kline
Westview Press, 2007
Buku Teks