Koren, Henry J.
An introduction to the philosophy of nature
Duquesne University, 1960
 Buku Teks SO
Kosso, Peter
Reading the book of nature : an introduction to the philosophy of science
Cambridge University Press, 1992
 Buku Teks SO
Hafner, Arthur Wayne
Descriptive statistical techniques for librarians
American Library Association, 1989
 Buku Teks
Simpson, I.S.
Basic statistics for librarians
Library Association, 1988
 Buku Teks
Powell, Ronald R.
Basic research methods for librarians
Libraries Unlimited, Inc., 2004
 Buku Teks