Lang, O. (2013). Hidden Art from the Lily Pond: Ottomar Lang's eyes have been shaped and trained by several decades of experience as a landscape architect. Topos.
Čikaški stil citiranja (17. izdanje)Lang, Ottomar. "Hidden Art from the Lily Pond: Ottomar Lang's Eyes Have Been Shaped and Trained by Several Decades of Experience as a Landscape Architect." Topos 2013.
MLA način citiranja (8. izdanje)Lang, Ottomar. "Hidden Art from the Lily Pond: Ottomar Lang's Eyes Have Been Shaped and Trained by Several Decades of Experience as a Landscape Architect." Topos, 2013.
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