Open Universityearth's Physical Resources Course Team & Open University, E. P. (1974). Implications. Open university press.
Citação norma ChicagoOpen Universityearth's Physical Resources Course Team e Earth's Physic Open University. Implications. Open university press, 1974.
Citação norma MLAOpen Universityearth's Physical Resources Course Team e Earth's Physic Open University. Implications. Open university press, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.