U.P. Engineering Research and Development Foundation, I. (1985). Local Transport Improvement Scheme (LOTIS): Final report:transportation planning manual. U.P. Engineering Research and Development Foundation, Inc.
Cita Chicago (17th ed.)U.P. Engineering Research and Development Foundation, Inc. Local Transport Improvement Scheme (LOTIS): Final Report:transportation Planning Manual. Quezon city: U.P. Engineering Research and Development Foundation, Inc, 1985.
Cita MLA (9th ed.)U.P. Engineering Research and Development Foundation, Inc. Local Transport Improvement Scheme (LOTIS): Final Report:transportation Planning Manual. U.P. Engineering Research and Development Foundation, Inc, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.