Powell, L. S. (1964). Engineering science. 2v, eng.
Chicago Style aipamenaPowell, L. S. Engineering Science. 2v, Eng. 1964.
MLA aipamenaPowell, L. S. Engineering Science. 2v, Eng. 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Powell, L. S. (1964). Engineering science. 2v, eng.
Chicago Style aipamenaPowell, L. S. Engineering Science. 2v, Eng. 1964.
MLA aipamenaPowell, L. S. Engineering Science. 2v, Eng. 1964.