Gaya APA

Spranger, C, H. et al (1965). Basic Mathematic vol. one of Thematematics for Managemen . Homewood/Illinois: Richard D Irwin,Inc.

Gaya MLA

Spranger, Clifford, H. et al. "Basic Mathematic vol. one of Thematematics for Managemen". Homewood/Illinois: Richard D Irwin,Inc, 1965. Text.