Cita APA (7th ed.)

Loidl, H., & Bernard, S. (2014). Opening spaces: Design as landscape architecture. Birkhäuser.

Cita Chicago (17th ed.)

Loidl, Hans-Wolfgang, i Stefan Bernard. Opening Spaces: Design as Landscape Architecture. Basel: Birkhäuser, 2014.

Cita MLA (9th ed.)

Loidl, Hans-Wolfgang, i Stefan Bernard. Opening Spaces: Design as Landscape Architecture. Birkhäuser, 2014.