D., S., B., E., B., B.(1996).Sampling techniques for forest resource inventory / Barry D. Shiver, Bruce E. Borders .New York:John Wiley n Sons.
Gaya MLA
Shiver, Barry, D.., Borders, Bruce, E.."Sampling techniques for forest resource inventory / Barry D. Shiver, Bruce E. Borders".New York:John Wiley n Sons,1996.Textbook.