Cita APA (7th ed.)

Wunderlich Wolfgang & Friedel, H. (1979). Therese Hilbert. Schmuckmuseum.

Cita Chicago (17th ed.)

Wunderlich Wolfgang i Helmut Friedel. Therese Hilbert. Pforzheim: Schmuckmuseum, 1979.

Cita MLA (8th ed.)

Wunderlich Wolfgang i Helmut Friedel. Therese Hilbert. Schmuckmuseum, 1979.