Dyfyniad APA

Stroud, J. (2006). Ptolemy's gate: Book III of the bartimaeus trilogy. Corgi book.

Dyfyniad Arddull Chicago

Stroud, Jonathan. Ptolemy's Gate: Book III of the Bartimaeus Trilogy. London: Corgi book, 2006.

Dyfyniad MLA

Stroud, Jonathan. Ptolemy's Gate: Book III of the Bartimaeus Trilogy. Corgi book, 2006.

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