Cita APA

Bhachu, V., & Kirkby, J. The usborne internet-linked Science encyclopedia (first published in America, 2001.).

Citación estilo Chicago

Bhachu, Verinder, y Joanne Kirkby. The Usborne Internet-linked Science Encyclopedia. first published in America, 2001.

Cita MLA

Bhachu, Verinder, y Joanne Kirkby. The Usborne Internet-linked Science Encyclopedia. first published in America, 2001.