Gaya APA
Nicholson, Lois P., Yusandi, Houghton Mifflin Company. (2010).
Houghton Mifflin Science .
USA:
Houghton Mifflin Company.
Gaya Chicago
Nicholson, Lois P., Yusandi, Houghton Mifflin Company.
Houghton Mifflin Science.
USA:
Houghton Mifflin Company,
2010.
Majalah.
Gaya MLA
Nicholson, Lois P., Yusandi, Houghton Mifflin Company.
Houghton Mifflin Science.
USA:
Houghton Mifflin Company,
2010.
Majalah.
Gaya Turabian
Nicholson, Lois P., Yusandi, Houghton Mifflin Company.
Houghton Mifflin Science.
USA:
Houghton Mifflin Company,
2010.
Majalah.