Citace podle APA (7th ed.)

Borlagdan, P. C. Residue handling and soil disturbance of an inclined time furrow opener. Philippine Engineering Journal.

Citace podle Chicago (17th ed.)

Borlagdan, Paterno C. "Residue Handling and Soil Disturbance of an Inclined Time Furrow Opener." Philippine Engineering Journal .

Citace podle MLA (9th ed.)

Borlagdan, Paterno C. "Residue Handling and Soil Disturbance of an Inclined Time Furrow Opener." Philippine Engineering Journal, .

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