APA (7th ed.) Citation

Young, C. Y. (2007). Trigonometry (Philippine edition.). John Wiley & Sons (Asia) PTE LTD fZoom Printing, Inc. for C & E Publishing.).

Chicago Style (17th ed.) Citation

Young, Cynthia Y. Trigonometry. Philippine edition. Singapore, e(Philippines: John Wiley & Sons (Asia) PTE LTD fZoom Printing, Inc. for C & E Publishing.), 2007.

MLA (9th ed.) Citation

Young, Cynthia Y. Trigonometry. Philippine edition. John Wiley & Sons (Asia) PTE LTD fZoom Printing, Inc. for C & E Publishing.), 2007.