Hill, L.A.
Further comprehension and precis pieces for overseas students / L. A. Hill and R. D. S. Fielden
Longmans, Green, 1959
 Buku Teks
Trenaman, J.M.
Communication and comprehension /J .M. trenaman
Longman, 1967
 Buku Teks
Ivy, Robert Adams
Fay Jones : the architecture of E. Fay Jones, FAIA
McGraw-Hill, 2001
 Buku Teks
The 1974 annual handbook for group facilitators / Edited by J. William Pfeiffer and John E. Jones
University Associates, 1974
 Buku Teks
The 1977 annual handbook for group facilitators: the sixth annual / John. E. Jones and J. William Pfeiffer
University Associates, 1977
 Buku Teks