Gaya APA

Kneebone, D. C.. (1964). Sign Legends . : s.n..

Gaya Chicago

Kneebone, D. C.. Sign Legends. : s.n., 1964. Text.

Gaya MLA

Kneebone, D. C.. Sign Legends. : s.n., 1964. Text.

Gaya Turabian

Kneebone, D. C.. Sign Legends. : s.n., 1964. Print.