Hollstein, F. (1986). Hollstein's German engravings, etchings and woodcuts. Amsterdam: Hertzberger.
Chicago Style aipamenaHollstein, Friedrich. Hollstein's German Engravings, Etchings and Woodcuts. Amsterdam: Hertzberger, 1986.
MLA aipamenaHollstein, Friedrich. Hollstein's German Engravings, Etchings and Woodcuts. Amsterdam: Hertzberger, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.