Maxwell, M. J. (1969). Skimming and scanning improvement. McGraw-hill.
Chicago Style aipamenaMaxwell, Martha J. Skimming and Scanning Improvement. New York: McGraw-hill, 1969.
MLA aipamenaMaxwell, Martha J. Skimming and Scanning Improvement. McGraw-hill, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.