Cleope, E. J. P. L. The Visayas: Islands in the seas, a historical perspective (Series 3). [article].
芝加哥风格引文Cleope, Earl Jude Paul L. The Visayas: Islands in the Seas, a Historical Perspective (Series 3). [article].
MLA引文Cleope, Earl Jude Paul L. The Visayas: Islands in the Seas, a Historical Perspective (Series 3). [article].
警告：这些引文格式不一定是100％准确.