APA
Sombilla M. A., Piza Sharon, Mapa Dennis & Asian Development Bank. (2013). Overcoming critical constraints to sustaining productivity g. Manila: ADB.
Chicago
Sombilla Mercedita A, Piza Sharon, Mapa Dennis and Asian Development Bank. 2013. Overcoming critical constraints to sustaining productivity g. Manila: ADB.
Harvard
Sombilla M. A., Piza Sharon, Mapa Dennis and Asian Development Bank. (2013). Overcoming critical constraints to sustaining productivity g. Manila: ADB.
MLA
Sombilla Mercedita A, Piza Sharon, Mapa Dennis and Asian Development Bank. Overcoming critical constraints to sustaining productivity g. Manila: ADB. 2013.
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