Keefer, L. E. (1966). Urban travel patterns for airports, shopping centers, and industrial plants. Highway Research Board, Division of Engineering, National Research Council, National Academy of Science.
Cytowanie według stylu Chicago (wyd. 17)Keefer, Louis E. Urban Travel Patterns for Airports, Shopping Centers, and Industrial Plants. Washington: Highway Research Board, Division of Engineering, National Research Council, National Academy of Science, 1966.
Cytowanie według stylu MLA (wyd. 9)Keefer, Louis E. Urban Travel Patterns for Airports, Shopping Centers, and Industrial Plants. Highway Research Board, Division of Engineering, National Research Council, National Academy of Science, 1966.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..