Papua New Guinea. Bureau of Statistics. (1959). Imports cleared for home consumption. Bureau of Statistics.
芝加哥风格引文Papua New Guinea. Bureau of Statistics. Imports Cleared for Home Consumption. Port Moresby: Bureau of Statistics, 1959.
MLA引文Papua New Guinea. Bureau of Statistics. Imports Cleared for Home Consumption. Bureau of Statistics, 1959.
警告：这些引文格式不一定是100％准确.