UNIVERSAL ETHICS PERSPECTIVES AND PROPOSALS FROM SCANDINAVIAN SCHOLARS
GORAN BEXELL AND DAN-ERIK ANDERSSON2002 年出版235 页ISBN:9041119337
THE SPEAKER'S HANDBOOK FIFTH EDITION
JO SPRAGUE DOUGLAS STUART2000 年出版424 页ISBN:0155081373
edited by Marc Fetscherin ; foreword by Suzanne Bates and Leslie Gaines-Ross2015 年出版302 页ISBN:9781138013711
J.R.S.FINCHAM AND P.R.DAY AND A.RADFORD FOURTH EDITION1979 年出版636 页ISBN:0632002158
completely revised edition2011 年出版360 页ISBN:3527320768