APA引文

Guanzon, P. Basic piano studies for children. s.n.

芝加哥风格引文

Guanzon, Priscilla. Basic Piano Studies for Children. s.l: s.n.

MLA引文

Guanzon, Priscilla. Basic Piano Studies for Children. s.n.

警告：这些引文格式不一定是100％准确.