Association of Accredited Advertising Agents Singapore, Advertising Media Owners Association Singapore, & Singapore Advertisers Association. Advoice. s.n.].
Παραπομπή σε μορφή Chicago (17η εκδ.)Association of Accredited Advertising Agents Singapore, Advertising Media Owners Association Singapore, και Singapore Advertisers Association. Advoice. [Singapore: s.n.].
Παραπομπή σε μορφή MLA (8th εκδ.)Association of Accredited Advertising Agents Singapore, et al. Advoice. s.n.].
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.