Cita APA (7th ed.)

NEWSON, M., & HANWELL, J. (1982). Systematic physical geography. Macmillan Education Limited.

Cita Chicago (17th ed.)

NEWSON, Malcolm, i James HANWELL. Systematic Physical Geography. Houndmills: Macmillan Education Limited, 1982.

Cita MLA (9th ed.)

NEWSON, Malcolm, i James HANWELL. Systematic Physical Geography. Macmillan Education Limited, 1982.