Gaya APA

Swanson, C, P. (NULL). Makalah seminar high strength concrete material and design . Surabaya:: Surabaya: Universitas Kristen Petra; 1993.

Gaya MLA

Swanson, Carl, P.. "Makalah seminar high strength concrete material and design". Surabaya:: Surabaya: Universitas Kristen Petra; 1993, NULL. Text.