APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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