एपीए उद्धरण

Fernández-Morales, A., Bigas Vidal, M., & Bravo Farré, L. (2013). Helmut Federle’s painting and its role in recent Swiss architecture. Unisinos.

शिकागो स्टाइल उद्धरण

Fernández-Morales, Angélica, Montserrat Bigas Vidal, और Luis Bravo Farré. Helmut Federle’s Painting and Its Role in Recent Swiss Architecture. Unisinos, 2013.

एमएलए उद्धरण

Fernández-Morales, Angélica, Montserrat Bigas Vidal, और Luis Bravo Farré. Helmut Federle’s Painting and Its Role in Recent Swiss Architecture. Unisinos, 2013.