Cita APA (7th ed.)

PERI. (2008). Handbook 2008: Formwork scaffolding engineering. PERI.

Cita Chicago (17th ed.)

PERI. Handbook 2008: Formwork Scaffolding Engineering. Weissenhorn, Germany: PERI, 2008.

Cita MLA (8th ed.)

PERI. Handbook 2008: Formwork Scaffolding Engineering. PERI, 2008.