APA (7. basım) Alıntı

Hopkins , W. C., & Williams, D. L. (1968). Converting factors for Southern pine products. State University.

Chicago Style (17. basım) Atıf

Hopkins , William C., ve David L. Williams. Converting Factors for Southern Pine Products. Louisiana: State University, 1968.

MLA (9th ed.) Atıf

Hopkins , William C., ve David L. Williams. Converting Factors for Southern Pine Products. State University, 1968.