Lua APA (7ú heag.)

Seferian, H. (2004). Hardscapinghigh, style, low maintenance outdoor spacesHaig Seferian. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Seferian, Haig. Hardscapinghigh, Style, Low Maintenance Outdoor SpacesHaig Seferian. McGraw-Hill, 2004.

Lua MLA (8ú heag.)

Seferian, Haig. Hardscapinghigh, Style, Low Maintenance Outdoor SpacesHaig Seferian. McGraw-Hill, 2004.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.