APA (7th ed.) Citation

Covey, S., Normah Sir, England, B., & Whitman, B. (2010). Predictable results in unpredictable times = [sukses setiap saat] (Ed. bahasa Melayu.). PTS Professional.

Chicago Style (17th ed.) Citation

Covey, Stephen, Normah Sir, Breck England, and Bob Whitman. Predictable Results in Unpredictable Times = [sukses Setiap Saat]. Ed. bahasa Melayu. Kuala Lumpur: PTS Professional, 2010.

MLA (9th ed.) Citation

Covey, Stephen, et al. Predictable Results in Unpredictable Times = [sukses Setiap Saat]. Ed. bahasa Melayu. PTS Professional, 2010.