Gaya APA

Wijayakusuma, M, H., Irwanto, . (2006). Focused Group Discussion ( Fgd) (Ed. 1). Jakarta: Yayasan Obor Indonesia.

Gaya MLA

Wijayakusuma, M., Hembing., Irwanto, . "Focused Group Discussion ( Fgd)". Ed. 1 Jakarta: Yayasan Obor Indonesia, 2006. Text.