Gaya APA

Hazelton, P., Murphy, B. (2011). Interpreting Soil Test Results: What Do All the Numbers Mean? (2nd Edition). Australia: CSIRO Publishing.

Gaya MLA

Hazelton, Pam., Murphy, Brian. "Interpreting Soil Test Results: What Do All the Numbers Mean?". 2nd Edition Australia: CSIRO Publishing, 2011. Text.