GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.
芝加哥风格引文GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.
MLA引文GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.
警告：这些引文格式不一定是100％准确.
APA引文
GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.
芝加哥风格引文GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.
MLA引文GUPTA,S.S. UNDERSTANDING SCIENCE AND NATURE ECOLOGY.