Awọn Ọrọ Foundation

ỌBA ATI AWỌN ỌMỌ ATI ỌMỌDE

Harold W. Percival

Copyright 1951 nipasẹ
Harold W. Percival

Copyright 1979 nipasẹ
Awọn Ọrọ Foundation, Inc.

Gbogbo awọn ẹtọ wa ni ipamọ, pẹlu ẹtọ lati ẹda yii tabi awọn ipin rẹ ni eyikeyi ọna.

Atẹjade akọkọ, 1951
Atẹjade keji, 1979
Atẹjade kẹta, 1992
Atẹjade kẹrin, 2009

ISBN: 978-0-911650-08-2