APA
Owen A., Ashwell M., . (1998). What Are Lakes. Oxford: Heinemann Library.
Chicago
Owen Andy, Ashwell Miranda, . 1998. What Are Lakes. Oxford: Heinemann Library.
Harvard
Owen A., Ashwell M., . (1998). What Are Lakes. Oxford: Heinemann Library.
MLA
Owen Andy, Ashwell Miranda, . What Are Lakes. Oxford: Heinemann Library. 1998.