Gaya APA

Barwell, I.. (1980). Equipment for labour based road construction . : Intermediate Technology Pub.

Gaya Chicago

Barwell, I.. Equipment for labour based road construction. : Intermediate Technology Pub, 1980. Text.

Gaya MLA

Barwell, I.. Equipment for labour based road construction. : Intermediate Technology Pub, 1980. Text.

Gaya Turabian

Barwell, I.. Equipment for labour based road construction. : Intermediate Technology Pub, 1980. Print.