APA-referens (7:e uppl.)

Hildawa, S. G. (2005). Regarding space. National Commission for Culture and the Arts.

Chicago-referens (17:e uppl.)

Hildawa, Sid Gomez. Regarding Space. [Manila]: National Commission for Culture and the Arts, 2005.

MLA-referens (9:e uppl.)

Hildawa, Sid Gomez. Regarding Space. National Commission for Culture and the Arts, 2005.