Cita APA

Sheldon, E. G. (1942). Sheldon's map reading and field sketching: Self instructor. Mingay.

Citación estilo Chicago

Sheldon, Eric George. Sheldon's Map Reading and Field Sketching: Self Instructor. Sydney: Mingay, 1942.

Cita MLA

Sheldon, Eric George. Sheldon's Map Reading and Field Sketching: Self Instructor. Mingay, 1942.

Warning: These citations may not always be 100% accurate.