P. May
发表
G. T. Byrd,
P. May,
2000
.
R. Brod,
P. May,
T. Stewart,
1982,
The Social science journal.
Tim Lieuwen,
Craig Russell,
Jerry Seitzman,
2008
.
J. Haynes,
P. May,
V. Iyer,
2005
.