APA Style

Spyri,Johanna. (2002). Heioi . : Scholatic.

Chicago Style

Spyri,Johanna. Heioi. : Scholatic, 2002. หนังสือ.

MLA Style

Spyri,Johanna. Heioi. : Scholatic, 2002. หนังสือ.

Turabian Style

Spyri,Johanna. Heioi. : Scholatic, 2002. หนังสือ.