Warren, W., & Invernizzi, L. (2000). Singapore, city of gardens. Periplus Editions (HK).
芝加哥风格引文Warren, William, 与 Luca Invernizzi. Singapore, City of Gardens. [Hong Kong]: Periplus Editions (HK), 2000.
MLA引文Warren, William, 与 Luca Invernizzi. Singapore, City of Gardens. Periplus Editions (HK), 2000.
警告：这些引文格式不一定是100％准确.