Gaya APA

Berry, J. (). Tangible strategies for intangible assets : how to manage and measure your company's brand, patent, intellectual property, and other sources of value / John Barry . New York: McGraw-Hill.

Gaya MLA

Berry, John. "Tangible strategies for intangible assets : how to manage and measure your company's brand, patent, intellectual property, and other sources of value / John Barry". New York: McGraw-Hill, . Buku.