Philippine Long Distance Telephone Company & Directories Philippines Corporation. (2002). Quezon City business directory. PLDT ; DPC.
芝加哥风格引文Philippine Long Distance Telephone Company 与 Directories Philippines Corporation. Quezon City Business Directory. Makati City: PLDT ; DPC, 2002.
MLA引文Philippine Long Distance Telephone Company 与 Directories Philippines Corporation. Quezon City Business Directory. PLDT ; DPC, 2002.
警告：这些引文格式不一定是100％准确.