Παραπομπή σε μορφή APA (7η εκδ.)

Singapore (City). Polytechnic. Library. Reference Dept. (1973). Pollution: A bibliography (2d ed.). Singapore Polytechnic Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Singapore (City). Polytechnic. Library. Reference Dept. Pollution: A Bibliography. 2d ed. [Singapore]: Singapore Polytechnic Library, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Singapore (City). Polytechnic. Library. Reference Dept. Pollution: A Bibliography. 2d ed. Singapore Polytechnic Library, 1973.