BrickLink - Set 60257-1 : LEGO Service Station [Town:City:Gas Station] - BrickLink Reference Catalog
BrickLink - Part 4150pb038 : LEGO Tile, Round 2 x 2 with Blue Curved Arrow with White Outline Pattern (Sticker) - Set 7990 [Tile, Round, Decorated] - BrickLink Reference Catalog
Set 66258-1 : City Bundle Pack, Super Pack (Copack of Sets 7990, 7991, and 7993) [City] [BrickLink]
Set Review: 7990 Cement Mixer - LEGO Town - Eurobricks Forums
BrickLink - Original Box 75968-1 : LEGO 4 Privet Drive [Harry Potter:Chamber of Secrets] - BrickLink Reference Catalog
BrickLink Reference Catalog - Large Image of Set 66331-1
BrickLink - Part 30413pb016 : LEGO Panel 1 x 4 x 1 with Black Cement Mixer and Blue Danger Stripes Pattern (Sticker) - Set 7990 [Panel, Decorated] - BrickLink Reference Catalog
BrickLink - Part 7990stk01 : LEGO Sticker Sheet for Set 7990 - (59826/4506612) [Sticker Sheet] - BrickLink Reference Catalog