Gaya APA
Indonesia, T, L, O, P. (2015).
Milton Hershey: Hershey's Chocolate Creator .
Minnesota:
Abdo Publishing.
Gaya MLA
Indonesia, Tim, Lembaga, Olimpiade, Pendidikan.
"Milton Hershey: Hershey's Chocolate Creator".
Minnesota:
Abdo Publishing,
2015.
Text.