APA (7e ed.) Bronvermelding

(1978). Cement based building material industry & mortar. DPU.

Chicago (17e ed.) Bronvermelding

Cement Based Building Material Industry & Mortar. DPU, 1978.

MLA (8e ed.) Bronvermelding

Cement Based Building Material Industry & Mortar. DPU, 1978.

Let op: Deze citaties zijn niet altijd 100% accuraat.