APA (7e ed.) Bronvermelding

Não informado. (2012). Newsletter. American Society of Civil Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Newsletter. New York: American Society of Civil Engineers, 2012.

MLA (8e ed.) Bronvermelding

Não informado. Newsletter. American Society of Civil Engineers, 2012.

Let op: Deze citaties zijn niet altijd 100% accuraat.