Espluga, i. N. M. e. M. (1997). Trekking, canyonning, bungee jumping. Temas e Debates.
Chicagoスタイル(17版)引用形式Espluga, il. Nausica Martínez e Maria. Trekking, Canyonning, Bungee Jumping. Temas e Debates, 1997.
MLA(8版)引用形式Espluga, il. Nausica Martínez e Maria. Trekking, Canyonning, Bungee Jumping. Temas e Debates, 1997.
警告: この引用は必ずしも正確ではありません.