APA (7th ed.) Citation
Steffens, F. E. (2013). E-commerce interface design parameters and their relation to website popularity. University of Pretoria.
Chicago Style (17th ed.) Citation
Steffens, Francois E. E-commerce Interface Design Parameters and Their Relation to Website Popularity. University of Pretoria, 2013.
MLA (9th ed.) Citation
Steffens, Francois E. E-commerce Interface Design Parameters and Their Relation to Website Popularity. University of Pretoria, 2013.
Warning: These citations may not always be 100% accurate.