Hamalainen, P. (1996). Yemen: A Lonely Planet travel survival kit (3rd ed.). Lonely Planet Pub.
Lua i Stíl Chicago (17ú heag.)Hamalainen, Pertti. Yemen: A Lonely Planet Travel Survival Kit. 3rd ed. Hawthorn, Vic., Australia: Lonely Planet Pub, 1996.
Lua MLA (9ú heag.)Hamalainen, Pertti. Yemen: A Lonely Planet Travel Survival Kit. 3rd ed. Lonely Planet Pub, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.