Fünf Freunde (Firm). (2008). The big book of brochures (English language ed.). Collins Design.
Chicago Style (17th ed.) CitationFünf Freunde (Firm). The Big Book of Brochures. English language ed. New York: Collins Design, 2008.
MLA (9th ed.) CitationFünf Freunde (Firm). The Big Book of Brochures. English language ed. Collins Design, 2008.
Warning: These citations may not always be 100% accurate.