Cita APA (7th ed.)

Naval, P. J., Saligan, P., & Soriano-Calix, V. (1985). Digital controller for stepping motor-driven x-ray diffractometer. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Naval, P.C. Jr, P.P Saligan, i V.B Soriano-Calix. "Digital Controller for Stepping Motor-driven X-ray Diffractometer." Philippine Engineering Journal 1985.

Cita MLA (9th ed.)

Naval, P.C. Jr, et al. "Digital Controller for Stepping Motor-driven X-ray Diffractometer." Philippine Engineering Journal, 1985.