Gaya APA

natalie, E, ,, R, ;, I. et al (2007). The Content Validity of the English Summative Test of the Second Semester of the Seventh Grade Pupils of SMP Padindi North Jakarta in 2005-2006 Academic Year . Jakarta: UHAMKA.

Gaya MLA

natalie, Erne, ,, Roland, ;, Imboden,. et al. "The Content Validity of the English Summative Test of the Second Semester of the Seventh Grade Pupils of SMP Padindi North Jakarta in 2005-2006 Academic Year". Jakarta: UHAMKA, 2007. Text.