Gaya APA
Koch, DuWayne A.. (1975).
Waterways as a system for operations and planning .
:
TRB.
Gaya Chicago
Koch, DuWayne A..
Waterways as a system for operations and planning.
:
TRB,
1975.
Chart.
Gaya MLA
Koch, DuWayne A..
Waterways as a system for operations and planning.
:
TRB,
1975.
Chart.
Gaya Turabian
Koch, DuWayne A..
Waterways as a system for operations and planning.
:
TRB,
1975.
Chart.