APA (7th ed.) Citation

Covey, S. R., England, B., Normah Sir, & Whitman, B. Predictable Results in Unpredictable Times =: Sukses Setiap Saat (Edisi Bahasa Melayu.).

Chicago Style (17th ed.) Citation

Covey, Stephen R., Breck England, Normah Sir, and Breck Whitman. Predictable Results in Unpredictable Times =: Sukses Setiap Saat. Edisi Bahasa Melayu.

MLA (8th ed.) Citation

Covey, Stephen R., et al. Predictable Results in Unpredictable Times =: Sukses Setiap Saat. Edisi Bahasa Melayu.