Cita APA (7th ed.)

Gralla, P. (2007). 101 fantastic freebies. PC World Philippines.

Cita Chicago (17th ed.)

Gralla, Preston. "101 Fantastic Freebies." PC World Philippines 2007.

Cita MLA (9th ed.)

Gralla, Preston. "101 Fantastic Freebies." PC World Philippines, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.