Gaya APA
Rowling, J, K. (2017).
novel harry potter dan piala api (Harry Potter and The Goblet of Fire) .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Rowling, Joanne, Kathleen.
"novel harry potter dan piala api (Harry Potter and The Goblet of Fire)".
Jakarta:
Gramedia Pustaka Utama,
2017.
Text.