APA ציטוט

Butterfield, M., & Orr, i. R. (1995). A natureza. Verbo.

Chicago Style (17th ed.) Citation

Butterfield, Moira, and il. Richard Orr. A Natureza. Verbo, 1995.

ציטוט MLA

Butterfield, Moira, and il. Richard Orr. A Natureza. Verbo, 1995.