Costa, P. M. (1978). The pre-Islamic antiquities at the Yemen National Museum. Studia archaeologica.
芝加哥风格引文Costa, Paolo M. "The Pre-Islamic Antiquities at the Yemen National Museum." Studia Archaeologica 1978.
MLA引文Costa, Paolo M. "The Pre-Islamic Antiquities at the Yemen National Museum." Studia Archaeologica, 1978.
警告：这些引文格式不一定是100％准确.