JOHN A.BOOTH THOMAS W.WALKER1989 年出版208 页ISBN:0813300037
RALPH RAPLEY AND JOHN M.WALKER2222 年出版725 页ISBN:0896035018
TECHNIQUES IN MOLECULAR BIOLOGY
JOHN M.WALKER AND MIN GAASTRA2222 年出版333 页ISBN:070992755X
jeffrey w. pollard and john m.walker1997 年出版489 页ISBN:0896034410
ADRIAN WALKER MICHAEL MCCORD JOHN F.SOWA WALTER G.WILSON2222 年出版475 页ISBN:0201090449
SUPERVISION IN THE HOSPITALITY INDUSTRY
JOHN R.WALKER2017 年出版386 页ISBN:9781119148463
INTRODUCTION TO HOSPITALITY SECOND EDITION
JOHN R.WALKER1999 年出版501 页ISBN:0139178813