Cita APA (7th ed.)

Graber, M., & Pulver, T. (1997). Schulanlage Erlen, Steffisburg. archithese.

Cita Chicago (17th ed.)

Graber, Marco, i Thomas Pulver. "Schulanlage Erlen, Steffisburg." Archithese 1997.

Cita MLA (8th ed.)

Graber, Marco, i Thomas Pulver. "Schulanlage Erlen, Steffisburg." Archithese, 1997.