Bruce R. Ledford/ Phillip J. Sleeman
(4)
Wendy Stevens/ Teresa Ledford
(4)
;Ledford, Jennifer R. (Vanderbilt University, USA),Gast, David L. (University of Georgia, USA)
(2)
David L. Gast (EDT)/ Jennifer Ledford (EDT)
(2)
Jennifer R. Ledford (EDT)/ David L. Gast (EDT)
(2)
Preston Lafayette Ledford
(2)
Richard F. Lockey (EDT)/ Dennis K. Ledford (EDT)
(2)
Ai Lens、Sheila Coyne Nemeth、Janice K. Ledford 原著;楊文卿 監修
(1)
Al Lens/ Sheila Coyne Nemeth/ Janice K. Ledford
(1)