APA

Whalley P., . (2013). Memo, Bd. 73. : .

Chicago

Whalley Paul, . 2013. Memo, Bd. 73. : .

Harvard

Whalley P., . (2013). Memo, Bd. 73. : .

MLA

Whalley Paul, . Memo, Bd. 73. : . 2013.