Gaya APA

Drs., F, S., Dra., M, D. (2005). LINKED TO THE WORLD ENGLISH FOR SENIOR HIGH SCHOOL SCIENCE PROGRAM GRADE XI . Jakarta: PT. WIDYADARA.

Gaya MLA

Drs., F.A., Soeprapto,., Dra., Mariana, Darwis,. "LINKED TO THE WORLD ENGLISH FOR SENIOR HIGH SCHOOL SCIENCE PROGRAM GRADE XI". Jakarta: PT. WIDYADARA, 2005. Text.