APA

Ashburner Tim, . (2002). The history of ski jumping. Shrewbury: Quiller Press.

Chicago

Ashburner Tim, . 2002. The history of ski jumping. Shrewbury: Quiller Press.

Harvard

Ashburner Tim, . (2002). The history of ski jumping. Shrewbury: Quiller Press.

MLA

Ashburner Tim, . The history of ski jumping. Shrewbury: Quiller Press. 2002.