New York City Transit Authority & Metropolitan Transportation Authority. (1979). New York City subway map. New York City Transit Authority.
Chicago-Zitierstil (17. Ausg.)New York City Transit Authority und Metropolitan Transportation Authority. New York City Subway Map. New York: New York City Transit Authority, 1979.
MLA-Zitierstil (8. Ausg.)New York City Transit Authority und Metropolitan Transportation Authority. New York City Subway Map. New York City Transit Authority, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.