VERMA P S. (2022). SCIENCE FOR NINTH CLASS PART 3 BIOLOGY (2022.). S CHAND PUBLISHING.
芝加哥风格引文VERMA P S. SCIENCE FOR NINTH CLASS PART 3 BIOLOGY. 2022. NEW DELHI: S CHAND PUBLISHING, 2022.
MLA引文VERMA P S. SCIENCE FOR NINTH CLASS PART 3 BIOLOGY. 2022. S CHAND PUBLISHING, 2022.
警告：这些引文格式不一定是100％准确.