Dagmar Keller / Martin Wittwer : Passengers.

MLA

Dagmar Keller / Martin Wittwer : Passengers. Leipzig: Spector Books, 2013.

APA

(2013). Dagmar Keller / Martin Wittwer : Passengers. Leipzig: Spector Books.

Chicago

Dagmar Keller / Martin Wittwer: Passengers. Leipzig: Spector Books, 2013.