APA Style

Astuti, D, E, H, S., Ahyari, D, A, . (2001). An Introduction To Foreign Language Learning and Teaching . : .

MLA Style

Astuti, Dra., Ec., Heni, Sri., Ahyari, Drs., Agus, . "An Introduction To Foreign Language Learning and Teaching". : , 2001. Buku PGSD.