United States. Congress. House. Committee on Roads. (1925). The old Oregon trail: Hearings before the Committee on Roads, House of Representatives, Sixty-eighth Congress, second session, on H.J. Res. 232, H.J. Res. 328, and S. 2053. January 23, February 13, 19, and 21, 1925 .. U.S. Govt. Print. Off..
Cita Chicago Style (17a ed.)United States. Congress. House. Committee on Roads. The Old Oregon Trail: Hearings Before the Committee on Roads, House of Representatives, Sixty-eighth Congress, Second Session, on H.J. Res. 232, H.J. Res. 328, and S. 2053. January 23, February 13, 19, and 21, 1925 .. Washington: U.S. Govt. Print. Off., 1925.
Cita MLA (8a ed.)United States. Congress. House. Committee on Roads. The Old Oregon Trail: Hearings Before the Committee on Roads, House of Representatives, Sixty-eighth Congress, Second Session, on H.J. Res. 232, H.J. Res. 328, and S. 2053. January 23, February 13, 19, and 21, 1925 .. U.S. Govt. Print. Off., 1925.