APA (7th ed.) Zitazioa
ebrary, Inc, & Pettman, B. (2004). 30 years of IJSE: Festschrift in honour of Professor John O'Brien. Emerald Group Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Barrie Pettman. 30 Years of IJSE: Festschrift in Honour of Professor John O'Brien. [Bradford, England]: Emerald Group Pub., 2004.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Barrie Pettman. 30 Years of IJSE: Festschrift in Honour of Professor John O'Brien. Emerald Group Pub., 2004.
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