Spaulding, P. F. (1970). Golden gate commuter ferryboat system: San Francisco-Marin crossing. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers.
Παραπομπή Chicago StyleSpaulding, Philip F. Golden Gate Commuter Ferryboat System: San Francisco-Marin Crossing. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers, 1970.
Παραπομπή MLASpaulding, Philip F. Golden Gate Commuter Ferryboat System: San Francisco-Marin Crossing. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers, 1970.
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