APA aipamena

Helgeson, D. V. (1985). Handbook for writing technical proposals that win contracts. Prentice-Hall.

Chicago Style aipamena

Helgeson, Donald V. Handbook for Writing Technical Proposals That Win Contracts. Englewood Cliffs, N.J: Prentice-Hall, 1985.

MLA aipamena

Helgeson, Donald V. Handbook for Writing Technical Proposals That Win Contracts. Prentice-Hall, 1985.