Tohutoro APA (7th ed.)

LEEPER, G. (1964). Introduction to soil science.: G.W. Leeper. Melbourne Univ. Pr..

Tohutoru Kātū Chicago (17th ed.)

LEEPER, G.W. Introduction to Soil Science.: G.W. Leeper. London: Melbourne Univ. Pr., 1964.

Tohutoro MLA (9th ed.)

LEEPER, G.W. Introduction to Soil Science.: G.W. Leeper. Melbourne Univ. Pr., 1964.