APA引文

Spyri, J. (2000). Heidi. Aladdin paperbacks.

Chicago Edition Citation

Spyri, Johanna. Heidi. Newyork: Aladdin paperbacks, 2000.

MLA引文

Spyri, Johanna. Heidi. Aladdin paperbacks, 2000.

警告：這些引文格式不一定是100％准確.