Gaya APA

kinney, M, R. et al (2017). The Content Validity of the Reading Materials in The English Textbook Entitle FORWARD for The Tenth Grade Student at SMK Prestasi Prima Jakarta 2013 Curriculum . Jakarta: .

Gaya MLA

kinney, Michael, R. et al. "The Content Validity of the Reading Materials in The English Textbook Entitle FORWARD for The Tenth Grade Student at SMK Prestasi Prima Jakarta 2013 Curriculum". Jakarta: , 2017. Text.