APA (7th ed.) Zitazioa
Gerling, H. (2002). All About machine tools. New Age International.
Chicago Style (17th ed.) Zitazioa
Gerling, Heinrich. All About Machine Tools. Calcutta: New Age International, 2002.
MLA (9th ed.) Zitazioa
Gerling, Heinrich. All About Machine Tools. New Age International, 2002.
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