APA aipamena

LOWDEN, D. (1983). Briges The Spans Of North America David Plowden. W.W. Norton & Company.

Chicago Style aipamena

LOWDEN, David. Briges The Spans Of North America David Plowden. W.W. Norton & Company, 1983.

MLA aipamena

LOWDEN, David. Briges The Spans Of North America David Plowden. W.W. Norton & Company, 1983.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.