TebbelJ. (1978). Encyclopeadia buying guide (2.). R R Bowker.
Chicago Edition CitationTebbelJ. Encyclopeadia Buying Guide. 2. London: R R Bowker, 1978.
Cita MLATebbelJ. Encyclopeadia Buying Guide. 2. R R Bowker, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.