Ramhadtu Prasaditama
An Introduction to Leisure Studies / Peter Bramham, Stephen Wagg
Sage, 2014
 Buku Teks SO
Armstrong, Frank Bradley
Biochemistry / Frank Bradley Armstrong, Thomas Peter Bennett
Oxford University Press, 1979
 Buku Teks SO
Stark, Peter A.
Introduction to numerical methods / Peter A. Stark
Macmillan Publishing Co. Inc, 1970
 Buku Teks SO
Case studies in insomnia / Edited by Peter J., Hauri
edited by Peter J. Hauri and William C. Dement
Plenum Medical Book, 1991
 Buku Teks SO
Bergman, Peter Gabriel
Introduction to the theory of relativity / Peter Gabriel Bergman
Prentice-Hall of India, 1987
 Buku Teks SO