Παραπομπή APA

Hamlton, J. (1964). German phrase book. Hodder & Stoughton.

Παραπομπή Chicago Style

Hamlton, Johanna. German Phrase Book. Britain: Hodder & Stoughton, 1964.

Παραπομπή MLA

Hamlton, Johanna. German Phrase Book. Hodder & Stoughton, 1964.