Crowther, G. (1977). Africa on a shoestring (Fourth edition.). Lonely Planet Publications.
Chicago Style (17. basım) AtıfCrowther, Geoff. Africa on a Shoestring. Fourth edition. South Yarra: Lonely Planet Publications, 1977.
MLA (9th ed.) AtıfCrowther, Geoff. Africa on a Shoestring. Fourth edition. Lonely Planet Publications, 1977.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..