APA (7th ed.) Citation

Calabia. Gerardo S. Regional planning: Issues and problems of managing socio-economic and physical affairs. Philippine planning journal.

Chicago Style (17th ed.) Citation

Calabia. Gerardo S. "Regional Planning: Issues and Problems of Managing Socio-economic and Physical Affairs." Philippine Planning Journal .

MLA (9th ed.) Citation

Calabia. Gerardo S. "Regional Planning: Issues and Problems of Managing Socio-economic and Physical Affairs." Philippine Planning Journal, .

Warning: These citations may not always be 100% accurate.