Powell-Cotton, P. H. G. (1902). A sporting trip through Abyssinia: A narrative of a nine months' journey from the plains of the Hawash to the snows of Simien, with a description of the game, from elephant to ibex, and notes on the manners and customs of the natives. R. Ward.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Powell-Cotton, P. H. G. A Sporting Trip Through Abyssinia: A Narrative of a Nine Months' Journey from the Plains of the Hawash to the Snows of Simien, with a Description of the Game, from Elephant to Ibex, and Notes on the Manners and Customs of the Natives. London: R. Ward, 1902.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Powell-Cotton, P. H. G. A Sporting Trip Through Abyssinia: A Narrative of a Nine Months' Journey from the Plains of the Hawash to the Snows of Simien, with a Description of the Game, from Elephant to Ibex, and Notes on the Manners and Customs of the Natives. R. Ward, 1902.