Gaya APA

Richardson, Joy. (1998). Terowongan . : Quality Press.

Gaya Chicago

Richardson, Joy. Terowongan. : Quality Press, 1998. Non-fiction.

Gaya MLA

Richardson, Joy. Terowongan. : Quality Press, 1998. Non-fiction.

Gaya Turabian

Richardson, Joy. Terowongan. : Quality Press, 1998. Non-fiction.