APA (7e ed.) Bronvermelding

Não informado. (1965). Foundation Facts. Raymond International, Raymond Concrete Pile Division.

Chicago (17e ed.) Bronvermelding

Não informado. Foundation Facts. New York: Raymond International, Raymond Concrete Pile Division, 1965.

MLA (8e ed.) Bronvermelding

Não informado. Foundation Facts. Raymond International, Raymond Concrete Pile Division, 1965.

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