APA (7th ed.) Citation

LOK & Gan, P. C. B. (2009). Pemikiran kritis. McGraw-Hill (M).

Chicago Style (17th ed.) Citation

LOK and Peter Chong Beng Gan. Pemikiran Kritis. Shah Alam: McGraw-Hill (M), 2009.

MLA (9th ed.) Citation

LOK and Peter Chong Beng Gan. Pemikiran Kritis. McGraw-Hill (M), 2009.