APA (7. basım) Alıntı

Gunzert, R. (1960). Was ist Konzentration? Knapp.

Chicago Style (17. basım) Atıf

Gunzert, Rudolf. Was Ist Konzentration? Frankfurt am Main: Knapp, 1960.

MLA (8th ed.) Atıf

Gunzert, Rudolf. Was Ist Konzentration? Knapp, 1960.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..