एपीए उद्धरण

(1978). Directory of official architecture and planning (22nd.). George Godwin.

शिकागो स्टाइल उद्धरण

Directory of Official Architecture and Planning. 22nd. Kent: George Godwin, 1978.

एमएलए उद्धरण

Directory of Official Architecture and Planning. 22nd. George Godwin, 1978.