Martin Fey, W. c. b. J. H. (2012). Soils of South Africa (1.). Cambridge University Press.
Chicago Style (17th ed.) CitationMartin Fey, With contributions by Jeff Hughes. Soils of South Africa. 1. Cambridge University Press, 2012.
ציטוט MLAMartin Fey, With contributions by Jeff Hughes. Soils of South Africa. 1. Cambridge University Press, 2012.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.