Patricia Clifford

发表

Sharon Friesen, D. Jardine, Patricia Clifford, 2003 .

Sharon Friesen, D. Jardine, Patricia Clifford, 1999 .

Sharon Friesen, D. Jardine, Patricia Clifford, 2000 .

David W. Jardine, Sharon Friesen, T. Graham, 2002 .

Sharon Friesen, Sharon Friesen, Patricia Clifford, 1993 .

David W. Jardine, Sharon Friesen, Patricia Clifford, 2006 .

Patricia Clifford, Susan J. Marinucci, 2008 .

G. Parker, Patricia Clifford, J. A. Steenstra, 2012 .