APA-viite (7. p.)

International Friends of Nature. (1991). Everybody's talking about soft tourism: We're doing something about it! : ten practical examples of what the Friends of Nature have done. International Friends of Nature.

Chicago-viite (17. p.)

International Friends of Nature. Everybody's Talking About Soft Tourism: We're Doing Something About It! : Ten Practical Examples of What the Friends of Nature Have Done. Vienna: International Friends of Nature, 1991.

MLA-viite (8. p.)

International Friends of Nature. Everybody's Talking About Soft Tourism: We're Doing Something About It! : Ten Practical Examples of What the Friends of Nature Have Done. International Friends of Nature, 1991.