Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1966). Highways and Public Works. IPC Building and Contract Journals.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Highways and Public Works. London: IPC Building and Contract Journals, 1966.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Highways and Public Works. IPC Building and Contract Journals, 1966.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.