A programed course in calculus : V infinite sequences and series
by Howard W. Alexander... [et.al.]
W.A. Benjamin, 1968
 Buku Teks
Ashbacher, Charles
Smarandache sequences, stereograms and series
Hexis, 2005
 Buku Teks
Blumenthal, Joseph C.
English 3200 : a programed course in grammar and usage
Harcourt Brace Jovanovich, 1972
 Buku Teks
A pattern language: towns, buildings, construction/ Christopher Alexander... (et al.)
Oxford University Press, 1977
 Buku Teks
English grammatical structure : a general syllabus for teachers / L.G. Alexander...[et al.]
Longman Group UK Limited , 1975
 Buku Teks