Gaya APA

Charman, A., Llewellyn, C. (1997). Trees Have Leaves : And Other Questions About Plants (Cet. 3.--). London: Kingfisher Publications Plc.

Gaya MLA

Charman, Andrew., Llewellyn, Claire. "Trees Have Leaves : And Other Questions About Plants". Cet. 3.-- London: Kingfisher Publications Plc, 1997. Text.