Gaya APA

Gardner, W, H. et al (1991). Soil physiscs / William A. Jury, Wilford R. Gardner, Walter H. Gardner (Ed.ke-5). New York: John Wiley n Sons.

Gaya MLA

Gardner, Walter, H.. et al. "Soil physiscs / William A. Jury, Wilford R. Gardner, Walter H. Gardner". Ed.ke-5 New York: John Wiley n Sons, 1991. Textbook.