Cita APA (7th ed.)

Gosling, M., & Hopgood, E. (1999). Learn about information (2nd ed.). DocMatrix.

Cita Chicago (17th ed.)

Gosling, Mary, i Elizabeth Hopgood. Learn About Information. 2nd ed. Canberra: DocMatrix, 1999.

Cita MLA (9th ed.)

Gosling, Mary, i Elizabeth Hopgood. Learn About Information. 2nd ed. DocMatrix, 1999.