APA

foreman p., . (2000). the mystery of allegra. new york: oxford bookworms library.

Chicago

foreman peter, . 2000. the mystery of allegra. new york: oxford bookworms library.

Harvard

foreman p., . (2000). the mystery of allegra. new york: oxford bookworms library.

MLA

foreman peter, . the mystery of allegra. new york: oxford bookworms library. 2000.