Lyons, John
Verlag C.H. Beck, 1990
Buku Teks
Lyons, Claire L., 1955-, editor
Princenton University, 1996
Buku Teks
Lyons, John
New York Cambridge University Press 1992,
Buku Teks
Lyons, Stanley L.
Newnes, [date of publication not identified]
Buku Teks
Santrock, John W.
McGraw-Hill, 2009
Buku Teks