OBSTRUCTED & WHO. (1996). Obstructed labour module. WHO.
芝加哥风格引文OBSTRUCTED 与 WHO. Obstructed Labour Module. Geneva: WHO, 1996.
MLA引文OBSTRUCTED 与 WHO. Obstructed Labour Module. WHO, 1996.
警告：这些引文格式不一定是100％准确.
APA引文
OBSTRUCTED & WHO. (1996). Obstructed labour module. WHO.
芝加哥风格引文OBSTRUCTED 与 WHO. Obstructed Labour Module. Geneva: WHO, 1996.
MLA引文OBSTRUCTED 与 WHO. Obstructed Labour Module. WHO, 1996.