APA

slawski w., lanning r., . (1996). The Friendship Trip. london: north - south books.

Chicago

slawski wolfgang, lanning rosemary, . 1996. The Friendship Trip. london: north - south books.

Harvard

slawski w., lanning r., . (1996). The Friendship Trip. london: north - south books.

MLA

slawski wolfgang, lanning rosemary, . The Friendship Trip. london: north - south books. 1996.