Cita APA (7a ed.)

International correspondence schools. Sgranton. PA (First edition. Pronouncing index german.).

Cita Chicago Style (17a ed.)

International Correspondence Schools. Sgranton. PA. First edition. Pronouncing index german. s.l.

Cita MLA (8a ed.)

International Correspondence Schools. Sgranton. PA. First edition. Pronouncing index german.

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