APA

Lenhardt H., Wambsganss, . (2008). Apparent Places of Fundamental Stars 2009. : .

Chicago

Lenhardt H, Wambsganss, . 2008. Apparent Places of Fundamental Stars 2009. : .

Harvard

Lenhardt H., Wambsganss, . (2008). Apparent Places of Fundamental Stars 2009. : .

MLA

Lenhardt H, Wambsganss, . Apparent Places of Fundamental Stars 2009. : . 2008.