Gaya APA

WARDIMAN, A. et al (2008). ENGLISH IN FOCUS FOR GRADE IX JUNIOR HIGH SCHOOL (SMP/MTS) . Jakarta: 979-462-97-2-3.

Gaya MLA

WARDIMAN, ARTONO. et al. "ENGLISH IN FOCUS FOR GRADE IX JUNIOR HIGH SCHOOL (SMP/MTS)". Jakarta: 979-462-97-2-3, 2008. Text.