APA

American Petroleum Institute A., . (1987). Specification for thermoplastic line pipe (PVA and CPVC). Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1987. Specification for thermoplastic line pipe (PVA and CPVC). Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1987). Specification for thermoplastic line pipe (PVA and CPVC). Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Specification for thermoplastic line pipe (PVA and CPVC). Washington: American Petroleum Institute, API. 1987.