APA (7 ম সংস্করণ) উদ্ধৃতি

Dietrich, N. L. (1988). Cost data for landscape construction: Unit prices for site development (8th ed.). Kerr Associates.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Dietrich, Norman L. Cost Data for Landscape Construction: Unit Prices for Site Development. 8th ed. Iowa Ames, Iowa: Kerr Associates, 1988.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Dietrich, Norman L. Cost Data for Landscape Construction: Unit Prices for Site Development. 8th ed. Kerr Associates, 1988.