Cita APA (7a ed.)

Hawelka, F. (1923). Workers' sickness insurance in Austria. International Labour Organization.

Cita Chicago Style (17a ed.)

Hawelka, Fritz. Workers' Sickness Insurance in Austria. International Labour Organization, 1923.

Cita MLA (9a ed.)

Hawelka, Fritz. Workers' Sickness Insurance in Austria. International Labour Organization, 1923.

Precaución: Estas citas no son 100% exactas.