Gaya APA

JOE M. TURNER, PE. (2009). EXCAVATION SYSTEMS PLANING, DESIGN AND SAFETY . NEWYORK: Mc GROW HILL.

Gaya Chicago

JOE M. TURNER, PE. EXCAVATION SYSTEMS PLANING, DESIGN AND SAFETY. NEWYORK: Mc GROW HILL, 2009. Text.

Gaya MLA

JOE M. TURNER, PE. EXCAVATION SYSTEMS PLANING, DESIGN AND SAFETY. NEWYORK: Mc GROW HILL, 2009. Text.

Gaya Turabian

JOE M. TURNER, PE. EXCAVATION SYSTEMS PLANING, DESIGN AND SAFETY. NEWYORK: Mc GROW HILL, 2009. Print.