Braga, L. S., Brunet, F., Colapietro, V. M., Daube-Schackat, R., Debrock, G., Deely, J., . . . Wolde, E. v. ([2011]). Peirce's Doctrine of Signs Title is part of eBook package: De Gruyter DGBA Philosophy 1990 - 1999. doi:10.1515/9783110873450
استشهاد بنمط شيكاغوBraga, Lucia Santaella,, et al. "Peirce's Doctrine of Signs." Title Is Part of EBook Package: De Gruyter DGBA Philosophy 1990 - 1999 [2011].
MLA استشهادBraga, Lucia Santaella,, et al. "Peirce's Doctrine of Signs." Title Is Part of EBook Package: De Gruyter DGBA Philosophy 1990 - 1999 [2011].
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.