APA (7th ed.) Citation

Sigua, R. (1999). Future trends in marine transportation and its impact on research and development in the Philippines. Ocean Law and Policy Series.

Chicago Style (17th ed.) Citation

Sigua, Ricardo. "Future Trends in Marine Transportation and Its Impact on Research and Development in the Philippines." Ocean Law and Policy Series 1999.

MLA (9th ed.) Citation

Sigua, Ricardo. "Future Trends in Marine Transportation and Its Impact on Research and Development in the Philippines." Ocean Law and Policy Series, 1999.