Gaya APA

Day, Trevor. (2009). Air . : Erlangga.

Gaya Chicago

Day, Trevor. Air. : Erlangga, 2009. Non-fiction.

Gaya MLA

Day, Trevor. Air. : Erlangga, 2009. Non-fiction.

Gaya Turabian

Day, Trevor. Air. : Erlangga, 2009. Non-fiction.