APA (7th ed.) Citation

Espinola, N. T., & Silva, I. G. A foreign trade submodel of the Philippine economy: 1970-1980.

Chicago Style (17th ed.) Citation

Espinola, Ninia T., and Inez G. Silva. A Foreign Trade Submodel of the Philippine Economy: 1970-1980.

MLA (9th ed.) Citation

Espinola, Ninia T., and Inez G. Silva. A Foreign Trade Submodel of the Philippine Economy: 1970-1980.

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