APA引文

Ravelo, J. (1997). New program to boost crop yield, lower fertilizer costs. Manila Times.

Chicago Style (17th ed.) Citation

Ravelo, John. "New Program to Boost Crop Yield, Lower Fertilizer Costs." Manila Times 1997.

MLA引文

Ravelo, John. "New Program to Boost Crop Yield, Lower Fertilizer Costs." Manila Times, 1997.

警告：這些引文格式不一定是100％准確.