Cita APA (7th ed.)
(1971). German: Teach yourself books (ed.). Teach yourself Books.
Cita Chicago (17th ed.)
German: Teach Yourself Books. ed. London: Teach yourself Books, 1971.
Cita MLA (9th ed.)
German: Teach Yourself Books. ed. Teach yourself Books, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.