Gaya APA
Astuti, Santi Indra. (2008).
Simple Step to Toefl (Cet. 1.).
Jakarta:
Hi-Fest Publishing.
Gaya Chicago
Astuti, Santi Indra.
Simple Step to Toefl.
Cet. 1.
Jakarta:
Hi-Fest Publishing,
2008.
.
Gaya MLA
Astuti, Santi Indra.
Simple Step to Toefl.
Cet. 1.
Jakarta:
Hi-Fest Publishing,
2008.
.
Gaya Turabian
Astuti, Santi Indra.
Simple Step to Toefl.
Cet. 1.
Jakarta:
Hi-Fest Publishing,
2008.
.