(英)戴维·达林(David Darling)著. (2018). 紧急呼救！：疯狂的飞行冒险史：a history of flight through its martyrs, oddballs and daredevils. 中国人民大学出版社.
Dyfyniad Arddull Chicago(英)戴维·达林(David Darling)著. 紧急呼救！：疯狂的飞行冒险史：a History of Flight Through Its Martyrs, Oddballs and Daredevils. 中国人民大学出版社, 2018.
Dyfyniad MLA(英)戴维·达林(David Darling)著. 紧急呼救！：疯狂的飞行冒险史：a History of Flight Through Its Martyrs, Oddballs and Daredevils. 中国人民大学出版社, 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.