APA-referens (7:e uppl.)

(2012). BRICKLAYING: Aligned to the national occupational standard. engage Learning EMEA.

Chicago-referens (17:e uppl.)

BRICKLAYING: Aligned to the National Occupational Standard. engage Learning EMEA, 2012.

MLA-referens (9:e uppl.)

BRICKLAYING: Aligned to the National Occupational Standard. engage Learning EMEA, 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.