Indian National Scientific Documentation Centre & Ruprail, N. (1968). Directory of Indian scientific periodicals, 1968 ([2d ed.].). Indian National Scientific Documentation Centre.
Chicago Style (17th ed.) CitationIndian National Scientific Documentation Centre and Nirmal Ruprail. Directory of Indian Scientific Periodicals, 1968. [2d ed.]. Delhi: Indian National Scientific Documentation Centre, 1968.
MLA引文Indian National Scientific Documentation Centre and Nirmal Ruprail. Directory of Indian Scientific Periodicals, 1968. [2d ed.]. Indian National Scientific Documentation Centre, 1968.
警告：這些引文格式不一定是100％准確.