Gaya APA
Dowd, S., Nandiwardhana, Y. (2013).
The London Eye Mystery : Misteri London Eye .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Dowd, Siobhan., Nandiwardhana, Yoga.
"The London Eye Mystery : Misteri London Eye".
Jakarta:
Gramedia Pustaka Utama,
2013.
Text.