APA Style

Frigstad, David B.. (1995). Customer engineering . Grants Pass, Oregon: Oasis/PSI Research.

Chicago Style

Frigstad, David B.. Customer engineering. Grants Pass, Oregon: Oasis/PSI Research, 1995. Printed Material.

MLA Style

Frigstad, David B.. Customer engineering. Grants Pass, Oregon: Oasis/PSI Research, 1995. Printed Material.

Turabian Style

Frigstad, David B.. Customer engineering. Grants Pass, Oregon: Oasis/PSI Research, 1995. Printed Material.