Allen, H. G., & Bulson, P. (1980). Background to Bulking. McGraw-Hill.
Chicago Style aipamenaAllen, H. G., and P.S Bulson. Background to Bulking. London: McGraw-Hill, 1980.
MLA aipamenaAllen, H. G., and P.S Bulson. Background to Bulking. McGraw-Hill, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.