The Loyola schools review : school of humanities
Ateneo de Manila University Loyola Schools,
 Majalah, Jurnal, Buletin
The Loyola schools review : school of science & engineering
Ateneo de Manila University Loyola Schools, 2006, {s.a}
 Majalah, Jurnal, Buletin
The Loyola schools review : John Gokongwei school of management
Office of Research and publications loyola schools,
 Majalah, Jurnal, Buletin
Stebbins, Robert A.
Exploratory research in the social sciences
Sage, 2001
 Buku Teks
Rose, Arnold M.
Theory and method in the social sciences
University of Minnesota Press, 1954
 Buku Teks