Spaulding, P. F., & Heye, C. F. (1970). Golden gate commuter ferryboat system and optimum vessel design: San Francisco-Marin crossing for Golden Gate bridge, highway and transportation district. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers.
Παραπομπή Chicago StyleSpaulding, Philip F., and Charles F. Heye. Golden Gate Commuter Ferryboat System and Optimum Vessel Design: San Francisco-Marin Crossing for Golden Gate Bridge, Highway and Transportation District. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers, 1970.
Παραπομπή MLASpaulding, Philip F., and Charles F. Heye. Golden Gate Commuter Ferryboat System and Optimum Vessel Design: San Francisco-Marin Crossing for Golden Gate Bridge, Highway and Transportation District. Washington, D.C: Naval architects-Marine engineers-Mechanical engineers, 1970.