Gaya APA

PYLE, M, A. et al ([s.a.]). TOEFL Preparation Guide Test of English As a Foreign Language (Ed. 4). Singapura: John Wiley and Sons.

Gaya MLA

PYLE, Michael, A.. et al. "TOEFL Preparation Guide Test of English As a Foreign Language". Ed. 4 Singapura: John Wiley and Sons, [s.a.]. Text.