SUGIARTO & SUGIARTO. (1996). Penghijauan Pantai Sugiarto, Willy Ekariyanto. Penebar Swadaya.
Chicago Style aipamenaSUGIARTO and SUGIARTO. Penghijauan Pantai Sugiarto, Willy Ekariyanto. Penebar Swadaya, 1996.
MLA aipamenaSUGIARTO and SUGIARTO. Penghijauan Pantai Sugiarto, Willy Ekariyanto. Penebar Swadaya, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.