APA
Statens Vägverk. TU. Internrapport nr 30 E, . (1978). Specification for single surface dressing with gravel, Y1G. Stockholm: Statens Vägverk. TU. Internrapport nr 30 E.
Chicago
Statens Vägverk. TU. Internrapport nr 30 E, . 1978. Specification for single surface dressing with gravel, Y1G. Stockholm: Statens Vägverk. TU. Internrapport nr 30 E.
Harvard
Statens Vägverk. TU. Internrapport nr 30 E, . (1978). Specification for single surface dressing with gravel, Y1G. Stockholm: Statens Vägverk. TU. Internrapport nr 30 E.
MLA
Statens Vägverk. TU. Internrapport nr 30 E, . Specification for single surface dressing with gravel, Y1G. Stockholm: Statens Vägverk. TU. Internrapport nr 30 E. 1978.