Vargas, L. A. (1977). Variance-covariance of characteristics in rice research [microform]. Photoduplication Service, University of the Philippines Library.
芝加哥风格引文Vargas, Lilia Altamarino. Variance-covariance of Characteristics in Rice Research [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA引文Vargas, Lilia Altamarino. Variance-covariance of Characteristics in Rice Research [microform]. Photoduplication Service, University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.