李金钢 & 于晓平. (2012). 秦岭鸟类野外实习手册: Field guide to the birds of Qinling Mountains. 科学出版社.
Chicago Style (17th ed.) Citation李金钢 i 于晓平. 秦岭鸟类野外实习手册: Field Guide to the Birds of Qinling Mountains. 科学出版社, 2012.
Cita MLA李金钢 i 于晓平. 秦岭鸟类野外实习手册: Field Guide to the Birds of Qinling Mountains. 科学出版社, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.